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Weerawila Climate Guide
Sri Lanka
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Maximum Daytime Temperature (°C)
Minimum Night-time Temperature (°C)
30
30 °C (86°F) Maximum Daytime Temperature in January
30
30 °C (86°F) Maximum Daytime Temperature in February
31
31 °C (88°F) Maximum Daytime Temperature in March
31
31 °C (88°F) Maximum Daytime Temperature in April
31
31 °C (88°F) Maximum Daytime Temperature in May
31
31 °C (88°F) Maximum Daytime Temperature in June
31
31 °C (88°F) Maximum Daytime Temperature in July
30
30 °C (86°F) Maximum Daytime Temperature in August
30
30 °C (86°F) Maximum Daytime Temperature in September
30
30 °C (86°F) Maximum Daytime Temperature in October
30
30 °C (86°F) Maximum Daytime Temperature in November
30
30 °C (86°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
23
23 °C (73°F) Minimum Night-time Temperature in February
24
24 °C (75°F) Minimum Night-time Temperature in March
25
25 °C (77°F) Minimum Night-time Temperature in April
26
26 °C (79°F) Minimum Night-time Temperature in May
25
25 °C (77°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
24
24 °C (75°F) Minimum Night-time Temperature in September
24
24 °C (75°F) Minimum Night-time Temperature in October
24
24 °C (75°F) Minimum Night-time Temperature in November
23
23 °C (73°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
7
7 Hours of Sunshine (58% of Daylight Hours) in January
8
8 Hours of Sunshine (65% of Daylight Hours) in February
8
8 Hours of Sunshine (69% of Daylight Hours) in March
8
8 Hours of Sunshine (61% of Daylight Hours) in April
6
6 Hours of Sunshine (49% of Daylight Hours) in May
6
6 Hours of Sunshine (48% of Daylight Hours) in June
6
6 Hours of Sunshine (48% of Daylight Hours) in July
6
6 Hours of Sunshine (50% of Daylight Hours) in August
6
6 Hours of Sunshine (49% of Daylight Hours) in September
6
6 Hours of Sunshine (50% of Daylight Hours) in October
6
6 Hours of Sunshine (51% of Daylight Hours) in November
6
6 Hours of Sunshine (52% 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
12
12 Hours of Daylight in May
13
13 Hours of Daylight in June
12
12 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)
5
5 Days with some Rain in January
5
5 Days with some Rain in February
6
6 Days with some Rain in March
9
9 Days with some Rain in April
8
8 Days with some Rain in May
7
7 Days with some Rain in June
7
7 Days with some Rain in July
8
8 Days with some Rain in August
9
9 Days with some Rain in September
12
12 Days with some Rain in October
14
14 Days with some Rain in November
10
10 Days with some Rain in December
J F M A M J J A S O N D
89
89 mm (3.5 inches) Monthly Rainfall in January
71
71 mm (2.8 inches) Monthly Rainfall in February
80
80 mm (3.1 inches) Monthly Rainfall in March
124
124 mm (4.9 inches) Monthly Rainfall in April
100
100 mm (3.9 inches) Monthly Rainfall in May
66
66 mm (2.6 inches) Monthly Rainfall in June
54
54 mm (2.1 inches) Monthly Rainfall in July
67
67 mm (2.6 inches) Monthly Rainfall in August
91
91 mm (3.6 inches) Monthly Rainfall in September
186
186 mm (7.3 inches) Monthly Rainfall in October
221
221 mm (8.7 inches) Monthly Rainfall in November
171
171 mm (6.7 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)
H
High 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
H
High Heat & Humidity in June
H
High Heat & Humidity in July
H
High Heat & Humidity in August
H
High Heat & Humidity in September
H
High Heat & Humidity in October
H
High Heat & Humidity in November
H
High 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
11
UV 11 (Extreme) in November
11
UV 11 (Extreme) in December
J F M A M J J A S O N D
Sea Temperature (°C)
Weerawila Climate Guide (Historical Weather Averages), Sri Lanka
Elev: 0 m   Long: 081°12'E   Lat: 06°16'N
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