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Jaffna Climate Guide
Sri Lanka
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Maximum Daytime Temperature (°C)
Minimum Night-time Temperature (°C)
28
28 °C (82°F) Maximum Daytime Temperature in January
29
29 °C (84°F) Maximum Daytime Temperature in February
31
31 °C (88°F) Maximum Daytime Temperature in March
33
33 °C (91°F) Maximum Daytime Temperature in April
34
34 °C (93°F) Maximum Daytime Temperature in May
34
34 °C (93°F) Maximum Daytime Temperature in June
33
33 °C (91°F) Maximum Daytime Temperature in July
33
33 °C (91°F) Maximum Daytime Temperature in August
33
33 °C (91°F) Maximum Daytime Temperature in September
31
31 °C (88°F) Maximum Daytime Temperature in October
29
29 °C (84°F) Maximum Daytime Temperature in November
28
28 °C (82°F) Maximum Daytime Temperature in December
J F M A M J J A S O N D
23
23 °C (73°F) Minimum Night-time Temperature in January
24
24 °C (75°F) Minimum Night-time Temperature in February
25
25 °C (77°F) Minimum Night-time Temperature in March
27
27 °C (81°F) Minimum Night-time Temperature in April
26
26 °C (79°F) Minimum Night-time Temperature in May
26
26 °C (79°F) Minimum Night-time Temperature in June
25
25 °C (77°F) Minimum Night-time Temperature in July
25
25 °C (77°F) Minimum Night-time Temperature in August
25
25 °C (77°F) Minimum Night-time Temperature in September
25
25 °C (77°F) Minimum Night-time Temperature in October
24
24 °C (75°F) Minimum Night-time Temperature in November
24
24 °C (75°F) Minimum Night-time Temperature in December
J F M A M J J A S O N D
Hours of Sunshine
Hours of Daylight
8
8 Hours of Sunshine (66% of Daylight Hours) in January
8
8 Hours of Sunshine (70% of Daylight Hours) in February
9
9 Hours of Sunshine (73% of Daylight Hours) in March
8
8 Hours of Sunshine (67% of Daylight Hours) in April
7
7 Hours of Sunshine (59% of Daylight Hours) in May
6
6 Hours of Sunshine (49% of Daylight Hours) in June
6
6 Hours of Sunshine (47% of Daylight Hours) in July
7
7 Hours of Sunshine (52% of Daylight Hours) in August
7
7 Hours of Sunshine (53% of Daylight Hours) in September
6
6 Hours of Sunshine (52% of Daylight Hours) in October
6
6 Hours of Sunshine (50% of Daylight Hours) in November
6
6 Hours of Sunshine (53% of Daylight Hours) in December
J F M A M J J A S O N D
12
12 Hours of Daylight in January
12
12 Hours of Daylight in February
12
12 Hours of Daylight in March
12
12 Hours of Daylight in April
13
13 Hours of Daylight in May
13
13 Hours of Daylight in June
13
13 Hours of Daylight in July
12
12 Hours of Daylight in August
12
12 Hours of Daylight in September
12
12 Hours of Daylight in October
12
12 Hours of Daylight in November
12
12 Hours of Daylight in December
J F M A M J J A S O N D
Days with some Rain
Monthly Rainfall (mm)
3
3 Days with some Rain in January
2
2 Days with some Rain in February
3
3 Days with some Rain in March
6
6 Days with some Rain in April
5
5 Days with some Rain in May
5
5 Days with some Rain in June
6
6 Days with some Rain in July
6
6 Days with some Rain in August
7
7 Days with some Rain in September
11
11 Days with some Rain in October
11
11 Days with some Rain in November
8
8 Days with some Rain in December
J F M A M J J A S O N D
52
52 mm (2.0 inches) Monthly Rainfall in January
31
31 mm (1.2 inches) Monthly Rainfall in February
24
24 mm (0.9 inches) Monthly Rainfall in March
43
43 mm (1.7 inches) Monthly Rainfall in April
50
50 mm (2.0 inches) Monthly Rainfall in May
17
17 mm (0.7 inches) Monthly Rainfall in June
17
17 mm (0.7 inches) Monthly Rainfall in July
38
38 mm (1.5 inches) Monthly Rainfall in August
54
54 mm (2.1 inches) Monthly Rainfall in September
248
248 mm (9.8 inches) Monthly Rainfall in October
327
327 mm (12.9 inches) Monthly Rainfall in November
285
285 mm (11.2 inches) Monthly Rainfall in December
J F M A M J J A S O N D
Heat & Humidity / Chance of Frost
UV Index (Maximum)
M
Moderate Heat & Humidity in January
H
High Heat & Humidity in February
H
High Heat & Humidity in March
VH
Very High Heat & Humidity in April
VH
Very High Heat & Humidity in May
VH
Very High Heat & Humidity in June
VH
Very High Heat & Humidity in July
VH
Very High Heat & Humidity in August
VH
Very High Heat & Humidity in September
VH
Very High Heat & Humidity in October
H
High Heat & Humidity in November
M
Moderate Heat & Humidity in December
J F M A M J J A S O N D
11
UV 11 (Extreme) in January
11
UV 11+ (Extreme) in February
11
UV 11+ (Extreme) in March
11
UV 11+ (Extreme) in April
11
UV 11+ (Extreme) in May
11
UV 11+ (Extreme) in June
11
UV 11+ (Extreme) in July
11
UV 11+ (Extreme) in August
11
UV 11+ (Extreme) in September
11
UV 11+ (Extreme) in October
10
UV 10 (Very High) in November
10
UV 10 (Very High) in December
J F M A M J J A S O N D
Sea Temperature (°C)
27
27 °C (81°F) Sea Temperature in January
28
28 °C (82°F) Sea Temperature in February
29
29 °C (84°F) Sea Temperature in March
30
30 °C (86°F) Sea Temperature in April
30
30 °C (86°F) Sea Temperature in May
29
29 °C (84°F) Sea Temperature in June
29
29 °C (84°F) Sea Temperature in July
28
28 °C (82°F) Sea Temperature in August
29
29 °C (84°F) Sea Temperature in September
29
29 °C (84°F) Sea Temperature in October
29
29 °C (84°F) Sea Temperature in November
28
28 °C (82°F) Sea Temperature in December
J F M A M J J A S O N D
Jaffna Climate Guide (Historical Weather Averages), Sri Lanka
Elev: 0 m   Long: 080°00'E   Lat: 09°40'N
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