Bellingham weather by month

Check out Bellingham weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature
Rainfall
Sunshine & daylight
UV levels & humidity

Temperature in Bellingham (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	6	9	10	13	16	19	22	22	19	14	9	6
Min temperature (night-time)	0	1	2	4	7	9	11	11	9	6	3	0
Heat & Humidity	0	0	0	0	0	0	0	0	0	0	0	0
Sea temperature	7	7	8	9	10	11	13	13	12	10	9	8

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Bellingham

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	2	3	4	6	7	8	9	8	6	4	2	2
Daily hours of daylight	9	10	12	14	15	16	16	14	13	11	9	8
UV Index (Maximum)	1	1	3	4	6	7	7	6	5	2	1	1

Rainfall in Bellingham

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	18	16	17	15	13	11	7	8	10	15	19	20
Average monthly rainfall (mm)	141	110	99	86	68	58	40	44	67	110	150	151

More about Bellingham

Bellingham by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Washington State (Bellingham) 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 Bellingham?

Bellingham has a temperate climate with warm dry summers.

Bellingham weather in January

Expect daytime maximum temperatures of 6°C in Bellingham, Washington State in January based on long-term weather averages. There are 2 hours of sunshine per day on average with 18 days with some rainfall and typically 141 mm of rainfall in the month.

6
6°C max day temperature
2
2 hours of sunshine per day
18
18 days with some rainfall
0
0°C min night temperature
9
9 hours of daylight per day
0
No heat & humidity
141
141 mm of monthly rainfall
1
1 (Low) UV index
7
7°C sea temperature

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Bellingham weather in February

Expect daytime maximum temperatures of 9°C in Bellingham, Washington State in February based on long-term weather averages. There are 3 hours of sunshine per day on average with 16 days with some rainfall and typically 110 mm of rainfall in the month.

9
9°C max day temperature
3
3 hours of sunshine per day
16
16 days with some rainfall
1
1°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
110
110 mm of monthly rainfall
1
1 (Low) UV index
7
7°C sea temperature

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Bellingham weather in March

Expect daytime maximum temperatures of 10°C in Bellingham, Washington State in March based on long-term weather averages. There are 4 hours of sunshine per day on average with 17 days with some rainfall and typically 99 mm of rainfall in the month.

10
10°C max day temperature
4
4 hours of sunshine per day
17
17 days with some rainfall
2
2°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
99
99 mm of monthly rainfall
3
3 (Moderate) UV index
8
8°C sea temperature

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Bellingham weather in April

Expect daytime maximum temperatures of 13°C in Bellingham, Washington State in April based on long-term weather averages. There are 6 hours of sunshine per day on average with 15 days with some rainfall and typically 86 mm of rainfall in the month.

13
13°C max day temperature
6
6 hours of sunshine per day
15
15 days with some rainfall
4
4°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
86
86 mm of monthly rainfall
4
4 (Moderate) UV index
9
9°C sea temperature

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Bellingham weather in May

Expect daytime maximum temperatures of 16°C in Bellingham, Washington State in May based on long-term weather averages. There are 7 hours of sunshine per day on average with 13 days with some rainfall and typically 68 mm of rainfall in the month.

16
16°C max day temperature
7
7 hours of sunshine per day
13
13 days with some rainfall
7
7°C min night temperature
15
15 hours of daylight per day
0
No heat & humidity
68
68 mm of monthly rainfall
6
6 (High) UV index
10
10°C sea temperature

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Bellingham weather in June

Expect daytime maximum temperatures of 19°C in Bellingham, Washington State in June based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 58 mm of rainfall in the month.

19
19°C max day temperature
8
8 hours of sunshine per day
11
11 days with some rainfall
9
9°C min night temperature
16
16 hours of daylight per day
0
No heat & humidity
58
58 mm of monthly rainfall
7
7 (High) UV index
11
11°C sea temperature

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Bellingham weather in July

Expect daytime maximum temperatures of 22°C in Bellingham, Washington State in July based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 40 mm of rainfall in the month.

22
22°C max day temperature
9
9 hours of sunshine per day
7
7 days with some rainfall
11
11°C min night temperature
16
16 hours of daylight per day
0
No heat & humidity
40
40 mm of monthly rainfall
7
7 (High) UV index
13
13°C sea temperature

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Bellingham weather in August

Expect daytime maximum temperatures of 22°C in Bellingham, Washington State in August based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 44 mm of rainfall in the month.

22
22°C max day temperature
8
8 hours of sunshine per day
8
8 days with some rainfall
11
11°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
44
44 mm of monthly rainfall
6
6 (High) UV index
13
13°C sea temperature

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Bellingham weather in September

Expect daytime maximum temperatures of 19°C in Bellingham, Washington State in September based on long-term weather averages. There are 6 hours of sunshine per day on average with 10 days with some rainfall and typically 67 mm of rainfall in the month.

19
19°C max day temperature
6
6 hours of sunshine per day
10
10 days with some rainfall
9
9°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
67
67 mm of monthly rainfall
5
5 (Moderate) UV index
12
12°C sea temperature

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Bellingham weather in October

Expect daytime maximum temperatures of 14°C in Bellingham, Washington State in October based on long-term weather averages. There are 4 hours of sunshine per day on average with 15 days with some rainfall and typically 110 mm of rainfall in the month.

14
14°C max day temperature
4
4 hours of sunshine per day
15
15 days with some rainfall
6
6°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
110
110 mm of monthly rainfall
2
2 (Low) UV index
10
10°C sea temperature

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Bellingham weather in November

Expect daytime maximum temperatures of 9°C in Bellingham, Washington State in November based on long-term weather averages. There are 2 hours of sunshine per day on average with 19 days with some rainfall and typically 150 mm of rainfall in the month.

9
9°C max day temperature
2
2 hours of sunshine per day
19
19 days with some rainfall
3
3°C min night temperature
9
9 hours of daylight per day
0
No heat & humidity
150
150 mm of monthly rainfall
1
1 (Low) UV index
9
9°C sea temperature

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Bellingham weather in December

Expect daytime maximum temperatures of 6°C in Bellingham, Washington State in December based on long-term weather averages. There are 2 hours of sunshine per day on average with 20 days with some rainfall and typically 151 mm of rainfall in the month.

6
6°C max day temperature
2
2 hours of sunshine per day
20
20 days with some rainfall
0
0°C min night temperature
8
8 hours of daylight per day
0
No heat & humidity
151
151 mm of monthly rainfall
1
1 (Low) UV index
8
8°C sea temperature

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