- Save up to £300 on holidays (Jan 2026-Nov 2027)
- Book online with TUI Black Friday discount code
- Sign up to myTUI. Discount varies by spend. T&Cs apply
Polonnaruwa weather by month
Check out Polonnaruwa weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.
Temperature in Polonnaruwa (°C)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max temperature (daytime) | 29 |
31 |
32 |
33 |
33 |
33 |
32 |
32 |
32 |
31 |
30 |
29 |
| Min temperature (night-time) | 23 |
23 |
24 |
25 |
25 |
25 |
25 |
25 |
24 |
24 |
23 |
23 |
| Heat & Humidity | M |
H |
VH |
VH |
VH |
VH |
VH |
VH |
VH |
H |
H |
H |
Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme
Sunshine & Daylight in Polonnaruwa
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daily hours of sunshine | ||||||||||||
| Daily hours of daylight | 12 |
12 |
12 |
12 |
12 |
13 |
13 |
12 |
12 |
12 |
12 |
12 |
| UV Index (Maximum) | 11 |
11 |
11 |
11 |
11 |
11 |
11 |
11 |
11 |
11 |
11 |
10 |
Rainfall in Polonnaruwa
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of days with some rain | 6 |
5 |
6 |
9 |
7 |
7 |
7 |
7 |
8 |
14 |
15 |
14 |
| Average monthly rainfall (mm) | 150 |
111 |
81 |
129 |
80 |
48 |
68 |
74 |
94 |
244 |
318 |
322 |
More about Polonnaruwa
Polonnaruwa by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Sri Lanka
Expires at 23:59 on Tuesday 2nd Dec 2025 · View all TUI offers
The climate guide for Sri Lanka (Polonnaruwa) 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 Polonnaruwa?
Polonnaruwa has a hot tropical climate with a winter dry season.
Polonnaruwa weather in January
Expect daytime maximum temperatures of 29°C in Polonnaruwa, Sri Lanka in January based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 150 mm of rainfall in the month.
- 29°C max day temperature
29 - 7 hours of sunshine per day
- 6 days with some rainfall
6 - 23°C min night temperature
23 - 12 hours of daylight per day
12 - Moderate heat & humidity
M - 150 mm of monthly rainfall
150 - 11 (Extreme) UV index
11
Polonnaruwa weather in February
Expect daytime maximum temperatures of 31°C in Polonnaruwa, Sri Lanka in February and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 111 mm of rainfall in the month.
- 31°C max day temperature
31 - 8 hours of sunshine per day
- 5 days with some rainfall
5 - 23°C min night temperature
23 - 12 hours of daylight per day
12 - High heat & humidity
H - 111 mm of monthly rainfall
111 - 11+ (Extreme) UV index
11
Polonnaruwa weather in March
Expect daytime maximum temperatures of 32°C in Polonnaruwa, Sri Lanka in March and very high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 81 mm of rainfall in the month.
- 32°C max day temperature
32 - 9 hours of sunshine per day
- 6 days with some rainfall
6 - 24°C min night temperature
24 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 81 mm of monthly rainfall
81 - 11+ (Extreme) UV index
11
Polonnaruwa weather in April
Expect daytime maximum temperatures of 33°C in Polonnaruwa, Sri Lanka in April and very high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 129 mm of rainfall in the month.
- 33°C max day temperature
33 - 8 hours of sunshine per day
- 9 days with some rainfall
9 - 25°C min night temperature
25 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 129 mm of monthly rainfall
129 - 11+ (Extreme) UV index
11
Polonnaruwa weather in May
Expect daytime maximum temperatures of 33°C in Polonnaruwa, Sri Lanka in May and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 80 mm of rainfall in the month.
- 33°C max day temperature
33 - 7 hours of sunshine per day
- 7 days with some rainfall
7 - 25°C min night temperature
25 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 80 mm of monthly rainfall
80 - 11+ (Extreme) UV index
11
Polonnaruwa weather in June
Expect daytime maximum temperatures of 33°C in Polonnaruwa, Sri Lanka in June and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 48 mm of rainfall in the month.
- 33°C max day temperature
33 - 6 hours of sunshine per day
- 7 days with some rainfall
7 - 25°C min night temperature
25 - 13 hours of daylight per day
13 - Very High heat & humidity
VH - 48 mm of monthly rainfall
48 - 11+ (Extreme) UV index
11
Polonnaruwa weather in July
Expect daytime maximum temperatures of 32°C in Polonnaruwa, Sri Lanka in July and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 68 mm of rainfall in the month.
- 32°C max day temperature
32 - 6 hours of sunshine per day
- 7 days with some rainfall
7 - 25°C min night temperature
25 - 13 hours of daylight per day
13 - Very High heat & humidity
VH - 68 mm of monthly rainfall
68 - 11+ (Extreme) UV index
11
Polonnaruwa weather in August
Expect daytime maximum temperatures of 32°C in Polonnaruwa, Sri Lanka in August and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 74 mm of rainfall in the month.
- 32°C max day temperature
32 - 7 hours of sunshine per day
- 7 days with some rainfall
7 - 25°C min night temperature
25 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 74 mm of monthly rainfall
74 - 11+ (Extreme) UV index
11
Polonnaruwa weather in September
Expect daytime maximum temperatures of 32°C in Polonnaruwa, Sri Lanka in September and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 94 mm of rainfall in the month.
- 32°C max day temperature
32 - 6 hours of sunshine per day
- 8 days with some rainfall
8 - 24°C min night temperature
24 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 94 mm of monthly rainfall
94 - 11+ (Extreme) UV index
11
Polonnaruwa weather in October
Expect daytime maximum temperatures of 31°C in Polonnaruwa, Sri Lanka in October and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 14 days with some rainfall and typically 244 mm of rainfall in the month.
- 31°C max day temperature
31 - 6 hours of sunshine per day
- 14 days with some rainfall
14 - 24°C min night temperature
24 - 12 hours of daylight per day
12 - High heat & humidity
H - 244 mm of monthly rainfall
244 - 11+ (Extreme) UV index
11
Polonnaruwa weather in November
Expect daytime maximum temperatures of 30°C in Polonnaruwa, Sri Lanka in November and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 15 days with some rainfall and typically 318 mm of rainfall in the month.
- 30°C max day temperature
30 - 6 hours of sunshine per day
- 15 days with some rainfall
15 - 23°C min night temperature
23 - 12 hours of daylight per day
12 - High heat & humidity
H - 318 mm of monthly rainfall
318 - 11 (Extreme) UV index
11
Polonnaruwa weather in December
Expect daytime maximum temperatures of 29°C in Polonnaruwa, Sri Lanka in December and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 14 days with some rainfall and typically 322 mm of rainfall in the month.
- 29°C max day temperature
29 - 6 hours of sunshine per day
- 14 days with some rainfall
14 - 23°C min night temperature
23 - 12 hours of daylight per day
12 - High heat & humidity
H - 322 mm of monthly rainfall
322 - 10 (Very High) UV index
10
More about Polonnaruwa
Polonnaruwa by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Sri Lanka
- Save up to £300 on holidays (Jan 2026-Nov 2027)
- Book online with TUI Black Friday discount code
- Sign up to myTUI. Discount varies by spend. T&Cs apply
Expires at 23:59 on Tuesday 2nd Dec 2025 · View all TUI offers
The climate guide for Sri Lanka (Polonnaruwa) 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.
Metric (°C / mm) | Imperial (°F / inches)
More about Sri Lanka
Compare Polonnaruwa with the UK
Below the Polonnaruwa chart shows average maximum daytime temperature for Polonnaruwa, Sri Lanka and the UK (London).
Maximum daytime temperature (°C)
Metric (°C / mm) | Imperial (°F / inches)
Compare more Polonnaruwa weather >>
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
- Pierre & Vacances
- Caledonian Travel
- Club Med
- Black Friday sales
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









TUI deal finder