Climate Insights for Mangan

Mangan, Sikkim, India

Hottest
August
19°C peak
Coldest
January
0°C low
Wettest
July
1218mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Mangan is temperate. The average annual temperature is 11°C and approximately 8146mm of precipitation falls per year. Mangan receives a notable amount of rainfall throughout the year, including during its driest month. Mangan is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, February, December, when temperatures can drop to 0°C. Mangan experiences heavy snowfall, typically from January through December.

Temperature

10° 15° 20° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 7° Average: 3° Min: 0° Feb Max: 8° Average: 5° Min: 2° Mar Max: 11° Average: 7° Min: 4° Apr Max: 13° Average: 10° Min: 7° May Max: 16° Average: 12° Min: 10° Jun Max: 18° Average: 16° Min: 14° Jul Max: 19° Average: 16° Min: 14° Aug Max: 19° Average: 16° Min: 14° Sep Max: 19° Average: 15° Min: 13° Oct Max: 16° Average: 12° Min: 9° Nov Max: 12° Average: 8° Min: 5° Dec Max: 9° Average: 5° Min: 2°
Max
Average
Min

Mangan sees moderate temperature variation throughout the year, ranging from 0°C to 19°C. August is the warmest month, though highs remain moderate at 19°C with a mean of 16°C. January is the coolest month, with minimum temperatures around 0°C and an average of 3°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm 450mm 500mm 550mm 600mm 650mm 700mm 750mm 800mm 850mm 900mm 950mm 1000mm 1050mm 1100mm 1150mm 1200mm 1250mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 568mm Snow: 221mm Feb Precipitation: 592mm Snow: 227mm Mar Precipitation: 723mm Snow: 234mm Apr Precipitation: 565mm Snow: 114mm May Precipitation: 537mm Snow: 24mm Jun Precipitation: 866mm Snow: 0mm Jul Precipitation: 1218mm Snow: 0mm Aug Precipitation: 1099mm Snow: 0mm Sep Precipitation: 737mm Snow: 0mm Oct Precipitation: 414mm Snow: 33mm Nov Precipitation: 393mm Snow: 125mm Dec Precipitation: 433mm Snow: 174mm
Precipitation
Snow

Mangan is a very wet location, receiving approximately 8146mm of precipitation annually, which averages out to around 679mm per month. The wettest month is July, averaging 1218mm of rainfall. August and June also tend to see above-average precipitation. The driest month is November, with just 393mm. That's 825mm less than July, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Mangan receives heavy snowfall, accumulating around 1154cm annually from January through December. The snowiest month is March, with approximately 234cm. Winter travel should account for significant snow cover.

Wind

0km/h 5km/h 10km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 6km/h Feb Wind Speed: 7km/h Mar Wind Speed: 6km/h Apr Wind Speed: 6km/h May Wind Speed: 6km/h Jun Wind Speed: 6km/h Jul Wind Speed: 5km/h Aug Wind Speed: 6km/h Sep Wind Speed: 5km/h Oct Wind Speed: 6km/h Nov Wind Speed: 6km/h Dec Wind Speed: 6km/h
Wind Speed

Mangan is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

87 days until Summer

It is currently spring in Mangan, which began on March 20, 2026. Mangan is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 19°C, while the coldest stretch bottoms out in January near 0°C. Summer is next, beginning on June 21, 2026 — 87 days from now.

Spring

Temperatures range from 4 to 16°C. Rainfall is heavy, totalling around 1825mm across the season with a monthly average of 608mm. Winds are generally light, averaging 6km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 14 to 19°C. Rainfall is heavy, totalling around 3183mm across the season with a monthly average of 1061mm. Winds are generally light, averaging 6km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from 5 to 19°C. Rainfall is heavy, totalling around 1544mm across the season with a monthly average of 515mm. Expect around 158cm of snow accumulation during this period. Winds are generally light, averaging 5km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 0 to 9°C. Rainfall is heavy, totalling around 1593mm across the season with a monthly average of 531mm. Expect around 622cm of snow accumulation during this period. Winds are generally light, averaging 6km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Monthly Climate Data

The table below shows monthly climate averages for Mangan based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
0 °C
7 °C
6 km/h
568 mm
221 cm
Feb
2 °C
8 °C
7 km/h
592 mm
227 cm
Mar Current
4 °C
11 °C
6 km/h
723 mm
234 cm
Apr
7 °C
13 °C
6 km/h
565 mm
114 cm
May
10 °C
16 °C
6 km/h
537 mm
24 cm
Jun
14 °C
18 °C
6 km/h
866 mm
0 cm
Jul
14 °C
19 °C
5 km/h
1218 mm
0 cm
Aug
14 °C
19 °C
6 km/h
1099 mm
0 cm
Sep
13 °C
19 °C
5 km/h
737 mm
0 cm
Oct
9 °C
16 °C
6 km/h
414 mm
33 cm
Nov
5 °C
12 °C
6 km/h
393 mm
125 cm
Dec
2 °C
9 °C
6 km/h
433 mm
174 cm
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Metric (°C, km/h)