- Explore latest offers on Fred Olsen Cruises in 2026/2027
- Find last minute deals or early bird discounts
- Filter offers by price, destination, ship & departure point
Kamaishi weather by month
Check out Kamaishi weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.
Temperature in Kamaishi (°F)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max temperature (daytime) | 39 |
39 |
45 |
55 |
64 |
70 |
75 |
79 |
73 |
64 |
54 |
45 |
| Min temperature (night-time) | 25 |
25 |
28 |
37 |
46 |
55 |
63 |
66 |
57 |
46 |
37 |
28 |
| Heat & Humidity | 0 |
0 |
0 |
0 |
0 |
0 |
0 |
L |
0 |
0 |
0 |
0 |
| Sea temperature | 50 |
46 |
45 |
46 |
52 |
59 |
64 |
70 |
70 |
64 |
61 |
55 |
Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme
Sunshine & UV index in Kamaishi
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daily hours of sunshine | ||||||||||||
| Daily hours of daylight | 10 |
11 |
12 |
13 |
14 |
15 |
15 |
14 |
12 |
11 |
10 |
9 |
| UV Index (Maximum) | 2 |
3 |
4 |
6 |
8 |
9 |
9 |
9 |
7 |
4 |
2 |
2 |
Rainfall in Kamaishi
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of days with some rain | 22 |
21 |
22 |
18 |
17 |
19 |
22 |
20 |
20 |
17 |
18 |
21 |
| Average monthly rainfall (inches) | 1.7 |
2.2 |
3.3 |
5.2 |
5.4 |
5.8 |
6.3 |
7.5 |
7.5 |
5.2 |
3.5 |
1.5 |
More about Kamaishi
Kamaishi by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Japan
The climate guide for Japan (Kamaishi) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
What's the climate like in Kamaishi?
Kamaishi has a cold climate with hot summers and some rainfall in all months.
Kamaishi weather in January
Expect daytime maximum temperatures of 39°F in Kamaishi, Japan in January based on long-term weather averages. There are 5 hours of sunshine per day on average with 22 days with some rainfall and typically 1.7 inches of rainfall in the month, which might fall as snow.
- 39°F max day temperature
39 - 5 hours of sunshine per day
- 22 days with some rainfall
22 - 25°F min night temperature
25 - 10 hours of daylight per day
10 - No heat & humidity
0 - 1.7 inches of monthly rainfall
1.7 - 2 (Low) UV index
2 - 50°F sea temperature
50
Kamaishi weather in February
Expect daytime maximum temperatures of 39°F in Kamaishi, Japan in February based on long-term weather averages. There are 5 hours of sunshine per day on average with 21 days with some rainfall and typically 2.2 inches of rainfall in the month, which might fall as snow.
- 39°F max day temperature
39 - 5 hours of sunshine per day
- 21 days with some rainfall
21 - 25°F min night temperature
25 - 11 hours of daylight per day
11 - No heat & humidity
0 - 2.2 inches of monthly rainfall
2.2 - 3 (Moderate) UV index
3 - 46°F sea temperature
46
Kamaishi weather in March
Expect daytime maximum temperatures of 45°F in Kamaishi, Japan in March based on long-term weather averages. There are 6 hours of sunshine per day on average with 22 days with some rainfall and typically 3.3 inches of rainfall in the month.
- 45°F max day temperature
45 - 6 hours of sunshine per day
- 22 days with some rainfall
22 - 28°F min night temperature
28 - 12 hours of daylight per day
12 - No heat & humidity
0 - 3.3 inches of monthly rainfall
3.3 - 4 (Moderate) UV index
4 - 45°F sea temperature
45
Kamaishi weather in April
Expect daytime maximum temperatures of 55°F in Kamaishi, Japan in April based on long-term weather averages. There are 6 hours of sunshine per day on average with 18 days with some rainfall and typically 5.2 inches of rainfall in the month.
- 55°F max day temperature
55 - 6 hours of sunshine per day
- 18 days with some rainfall
18 - 37°F min night temperature
37 - 13 hours of daylight per day
13 - No heat & humidity
0 - 5.2 inches of monthly rainfall
5.2 - 6 (High) UV index
6 - 46°F sea temperature
46
Kamaishi weather in May
Expect daytime maximum temperatures of 64°F in Kamaishi, Japan in May based on long-term weather averages. There are 7 hours of sunshine per day on average with 17 days with some rainfall and typically 5.4 inches of rainfall in the month.
- 64°F max day temperature
64 - 7 hours of sunshine per day
- 17 days with some rainfall
17 - 46°F min night temperature
46 - 14 hours of daylight per day
14 - No heat & humidity
0 - 5.4 inches of monthly rainfall
5.4 - 8 (Very High) UV index
8 - 52°F sea temperature
52
Kamaishi weather in June
Expect daytime maximum temperatures of 70°F in Kamaishi, Japan in June based on long-term weather averages. There are 5 hours of sunshine per day on average with 19 days with some rainfall and typically 5.8 inches of rainfall in the month.
- 70°F max day temperature
70 - 5 hours of sunshine per day
- 19 days with some rainfall
19 - 55°F min night temperature
55 - 15 hours of daylight per day
15 - No heat & humidity
0 - 5.8 inches of monthly rainfall
5.8 - 9 (Very High) UV index
9 - 59°F sea temperature
59
Kamaishi weather in July
Expect daytime maximum temperatures of 75°F in Kamaishi, Japan in July based on long-term weather averages. There are 5 hours of sunshine per day on average with 22 days with some rainfall and typically 6.3 inches of rainfall in the month.
- 75°F max day temperature
75 - 5 hours of sunshine per day
- 22 days with some rainfall
22 - 63°F min night temperature
63 - 15 hours of daylight per day
15 - No heat & humidity
0 - 6.3 inches of monthly rainfall
6.3 - 9 (Very High) UV index
9 - 64°F sea temperature
64
Kamaishi weather in August
Expect daytime maximum temperatures of 79°F in Kamaishi, Japan in August based on long-term weather averages. There are 5 hours of sunshine per day on average with 20 days with some rainfall and typically 7.5 inches of rainfall in the month.
- 79°F max day temperature
79 - 5 hours of sunshine per day
- 20 days with some rainfall
20 - 66°F min night temperature
66 - 14 hours of daylight per day
14 - Low heat & humidity
L - 7.5 inches of monthly rainfall
7.5 - 9 (Very High) UV index
9 - 70°F sea temperature
70
Kamaishi weather in September
Expect daytime maximum temperatures of 73°F in Kamaishi, Japan in September based on long-term weather averages. There are 4 hours of sunshine per day on average with 20 days with some rainfall and typically 7.5 inches of rainfall in the month.
- 73°F max day temperature
73 - 4 hours of sunshine per day
- 20 days with some rainfall
20 - 57°F min night temperature
57 - 12 hours of daylight per day
12 - No heat & humidity
0 - 7.5 inches of monthly rainfall
7.5 - 7 (High) UV index
7 - 70°F sea temperature
70
Kamaishi weather in October
Expect daytime maximum temperatures of 64°F in Kamaishi, Japan in October based on long-term weather averages. There are 5 hours of sunshine per day on average with 17 days with some rainfall and typically 5.2 inches of rainfall in the month.
- 64°F max day temperature
64 - 5 hours of sunshine per day
- 17 days with some rainfall
17 - 46°F min night temperature
46 - 11 hours of daylight per day
11 - No heat & humidity
0 - 5.2 inches of monthly rainfall
5.2 - 4 (Moderate) UV index
4 - 64°F sea temperature
64
Kamaishi weather in November
Expect daytime maximum temperatures of 54°F in Kamaishi, Japan in November based on long-term weather averages. There are 5 hours of sunshine per day on average with 18 days with some rainfall and typically 3.5 inches of rainfall in the month.
- 54°F max day temperature
54 - 5 hours of sunshine per day
- 18 days with some rainfall
18 - 37°F min night temperature
37 - 10 hours of daylight per day
10 - No heat & humidity
0 - 3.5 inches of monthly rainfall
3.5 - 2 (Low) UV index
2 - 61°F sea temperature
61
Kamaishi weather in December
Expect daytime maximum temperatures of 45°F in Kamaishi, Japan in December based on long-term weather averages. There are 5 hours of sunshine per day on average with 21 days with some rainfall.
- 45°F max day temperature
45 - 5 hours of sunshine per day
- 21 days with some rainfall
21 - 28°F min night temperature
28 - 9 hours of daylight per day
9 - No heat & humidity
0 - 1.5 inches of monthly rainfall
1.5 - 2 (Low) UV index
2 - 55°F sea temperature
55
More about Kamaishi
Kamaishi by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Japan
- Explore latest offers on Fred Olsen Cruises in 2026/2027
- Find last minute deals or early bird discounts
- Filter offers by price, destination, ship & departure point
The climate guide for Japan (Kamaishi) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Compare Kamaishi weather with the UK
The weather chart below compares the average monthly maximum daytime temperature for Kamaishi, Japan and the UK (London).
Maximum daytime temperature (°F)
Metric (°C) | Imperial (°F)
More about Japan
Be inspired
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Related posts
Popular travel offers
Explore holiday destinations
- Beach holidays
- City breaks
- Family holidays
- Half term holidays
- Spring holidays
- Summer holidays
- Autumn holidays
- Winter sun holidays
- Honeymoons
- Coolcations
- Compare places
- Ski resorts
Save with latest deals & discounts
- Holiday offers
- Top travel brands
- Airlines & flights
- Discount hotels
- TUI
- Jet2holidays
- Neilson
- Marella Cruises
- Holiday Extras
- Pierre & Vacances
- Caledonian Travel
- Club Med
Airport parking
- Manchester Airport
- Stansted Airport
- Bristol Airport
- Luton Airport
- Birmingham Airport
- Edinburgh Airport
- Gatwick Airport
- Glasgow Airport
- Newcastle Airport
Airport lounges
- Manchester Airport
- Birmingham Airport
- Bristol Airport
- Edinburgh Airport
- Glasgow Airport
- Heathrow Airport
- Newcastle Airport
- Stansted Airport
- Gatwick Airport









Cruise deal finder