Jaffna weather by month

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

Temperature
Rainfall
Sunshine & daylight
UV levels & humidity

Temperature in Jaffna (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	28	29	31	33	34	33	33	33	32	31	29	28
Min temperature (night-time)	23	24	25	27	26	26	25	25	25	25	24	24
Heat & Humidity	M	H	VH	VH	VH	VH	H	H	VH	H	H	M
Sea temperature	26	27	29	30	30	29	28	28	28	29	28	27

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

Sunshine & Daylight in Jaffna

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	8	8	9	8	7	6	6	7	7	6	6	6
Daily hours of daylight	12	12	12	12	13	13	13	12	12	12	12	12
UV Index (Maximum)	11	11	11	11	11	11	11	11	11	11	10	10

Rainfall in Jaffna

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	4	2	2	3	3	1	3	3	4	10	12	10
Average monthly rainfall (mm)	52	31	24	43	50	17	17	38	54	248	327	285

More about Jaffna

Jaffna by month

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

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The climate guide for Sri Lanka (Jaffna) 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 Jaffna?

Jaffna has a hot tropical climate with a winter dry season.

Jaffna weather in January

Expect daytime maximum temperatures of 28°C in Jaffna, Sri Lanka in January based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 52 mm of rainfall in the month.

28
28°C max day temperature
8
8 hours of sunshine per day
4
4 days with some rainfall
23
23°C min night temperature
12
12 hours of daylight per day
M
Moderate heat & humidity
52
52 mm of monthly rainfall
11
11 (Extreme) UV index
26
26°C sea temperature

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Jaffna weather in February

Expect daytime maximum temperatures of 29°C in Jaffna, 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.

29
29°C max day temperature
8
8 hours of sunshine per day
2
2 days with some rainfall
24
24°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
31
31 mm of monthly rainfall
11
11+ (Extreme) UV index
27
27°C sea temperature

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Jaffna weather in March

Expect daytime maximum temperatures of 31°C in Jaffna, 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.

31
31°C max day temperature
9
9 hours of sunshine per day
2
2 days with some rainfall
25
25°C min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
24
24 mm of monthly rainfall
11
11+ (Extreme) UV index
29
29°C sea temperature

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Jaffna weather in April

Expect daytime maximum temperatures of 33°C in Jaffna, 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 43 mm of rainfall in the month.

33
33°C max day temperature
8
8 hours of sunshine per day
3
3 days with some rainfall
27
27°C min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
43
43 mm of monthly rainfall
11
11+ (Extreme) UV index
30
30°C sea temperature

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Jaffna weather in May

Expect daytime maximum temperatures of 34°C in Jaffna, 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 50 mm of rainfall in the month.

34
34°C max day temperature
7
7 hours of sunshine per day
3
3 days with some rainfall
26
26°C min night temperature
13
13 hours of daylight per day
VH
Very High heat & humidity
50
50 mm of monthly rainfall
11
11+ (Extreme) UV index
30
30°C sea temperature

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Jaffna weather in June

Expect daytime maximum temperatures of 33°C in Jaffna, 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.

33
33°C max day temperature
6
6 hours of sunshine per day
1
1 day with some rainfall
26
26°C min night temperature
13
13 hours of daylight per day
VH
Very High heat & humidity
17
17 mm of monthly rainfall
11
11+ (Extreme) UV index
29
29°C sea temperature

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Jaffna weather in July

Expect daytime maximum temperatures of 33°C in Jaffna, 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.

33
33°C max day temperature
6
6 hours of sunshine per day
3
3 days with some rainfall
25
25°C min night temperature
13
13 hours of daylight per day
H
High heat & humidity
17
17 mm of monthly rainfall
11
11+ (Extreme) UV index
28
28°C sea temperature

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Jaffna weather in August

Expect daytime maximum temperatures of 33°C in Jaffna, Sri Lanka in August and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average.

33
33°C max day temperature
7
7 hours of sunshine per day
3
3 days with some rainfall
25
25°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
38
38 mm of monthly rainfall
11
11+ (Extreme) UV index
28
28°C sea temperature

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Jaffna weather in September

Expect daytime maximum temperatures of 32°C in Jaffna, Sri Lanka in September and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 54 mm of rainfall in the month.

32
32°C max day temperature
7
7 hours of sunshine per day
4
4 days with some rainfall
25
25°C min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
54
54 mm of monthly rainfall
11
11+ (Extreme) UV index
28
28°C sea temperature

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Jaffna weather in October

Expect daytime maximum temperatures of 31°C in Jaffna, Sri Lanka in October and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 10 days with some rainfall and typically 248 mm of rainfall in the month.

31
31°C max day temperature
6
6 hours of sunshine per day
10
10 days with some rainfall
25
25°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
248
248 mm of monthly rainfall
11
11+ (Extreme) UV index
29
29°C sea temperature

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Jaffna weather in November

Expect daytime maximum temperatures of 29°C in Jaffna, 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 12 days with some rainfall and typically 327 mm of rainfall in the month.

29
29°C max day temperature
6
6 hours of sunshine per day
12
12 days with some rainfall
24
24°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
327
327 mm of monthly rainfall
10
10 (Very High) UV index
28
28°C sea temperature

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Jaffna weather in December

Expect daytime maximum temperatures of 28°C in Jaffna, Sri Lanka in December based on long-term weather averages. There are 6 hours of sunshine per day on average with 10 days with some rainfall and typically 285 mm of rainfall in the month.

28
28°C max day temperature
6
6 hours of sunshine per day
10
10 days with some rainfall
24
24°C min night temperature
12
12 hours of daylight per day
M
Moderate heat & humidity
285
285 mm of monthly rainfall
10
10 (Very High) UV index
27
27°C sea temperature

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