Sikkim Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in Sikkim, India in May.

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Gangtok Pelling Pemayangtse Lachung

Planning a getaway to Sikkim, India this May and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Sikkim in May

Sikkim, India is a region in India. Sikkim, India offers a broad spectrum of weather patterns. In May, one might encounter temperatures that range from cold to warm, and heavy precipitation.

Temperatures

The average highest temperatures fluctuate between cold in Lachung at 8°C (46°F) to warm in Singtām at 26°C (79°F). Nighttime temperatures generally drop to 17°C (63°F) in Singtām and 1°C (34°F) in Lachung.

For specific regional insights in Sikkim, India, refer to the map provided below.

Precipitation

In May, precipitation varies across different areas. From heavy rainfall in Lachung with an average of 178 mm (7 in) to heavy rainfall in Pemayangtse with 523 mm (21 in).

Explore Sikkim by month

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Best Places to Visit in Sikkim in May

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Sikkim.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Sikkim

What is the weather like in May for some of the most popular destinations in Sikkim, India?

Temperature range in Sikkim (May)

Precipitation variation in Sikkim (May)

Gangtok

In May Gangtok generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 13°C (55°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« April
May
June »
April
May
June
Max temperature
18°C (64°F)
21°C (70°F)
22°C (72°F)
Min temperature
9°C (48°F)
13°C (55°F)
16°C (61°F)
Monthly rainfall
251 mm (9.9 in)
305 mm (12 in)
637 mm (25 in)
Monthly rainy days
5 days
10 days
16 days
Weather conditions
poor
poor
poor
Climate in Gangtok →

Pelling

In May Pelling generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 12°C (54°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« April
May
June »
April
May
June
Max temperature
18°C (64°F)
21°C (70°F)
22°C (72°F)
Min temperature
9°C (48°F)
12°C (54°F)
15°C (59°F)
Monthly sun hours
148 hours
152 hours
73 hours
Monthly rainfall
346 mm (14 in)
513 mm (20 in)
717 mm (28 in)
Monthly rainy days
5 days
9 days
15 days
Weather conditions
poor
poor
poor
Climate in Pelling →

Pemayangtse

In May Pemayangtse generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 12°C (54°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« April
May
June »
April
May
June
Max temperature
18°C (64°F)
20°C (68°F)
22°C (72°F)
Min temperature
9°C (48°F)
12°C (54°F)
15°C (59°F)
Monthly sun hours
148 hours
152 hours
73 hours
Monthly rainfall
354 mm (14 in)
523 mm (21 in)
726 mm (29 in)
Monthly rainy days
5 days
9 days
15 days
Weather conditions
poor
poor
poor
Climate in Pemayangtse →

Lachung

In May Lachung generally has low temperatures with maximum daytime temperatures around 8°C (46°F), minimum nighttime temperatures around 1°C (34°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« April
May
June »
April
May
June
Max temperature
5°C (41°F)
8°C (46°F)
12°C (54°F)
Min temperature
-3°C (27°F)
1°C (34°F)
5°C (41°F)
Monthly rainfall
224 mm (8.8 in)
178 mm (7 in)
311 mm (12 in)
Monthly rainy days
5 days
10 days
17 days
Weather conditions
poor
poor
poor
Climate in Lachung →

Namchi

In May Namchi generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 16°C (61°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« April
May
June »
April
May
June
Max temperature
24°C (75°F)
25°C (77°F)
26°C (79°F)
Min temperature
13°C (55°F)
16°C (61°F)
19°C (66°F)
Monthly sun hours
148 hours
152 hours
73 hours
Monthly rainfall
256 mm (10 in)
379 mm (15 in)
666 mm (26 in)
Monthly rainy days
5 days
9 days
15 days
Weather conditions
unpleasant
poor
poor
Climate in Namchi →

Is your destination not in the list? Have a look at all destinations in Sikkim, in India.

In our records: India May extremes

Notable May records observed across cities in India in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest May day in India reached 50°C (122°F) in Ahmedabad on May 19, 2016.

Popular cities in May

Day & night temperatures, rainfall and average weather in Sikkim in May.

City Weather Day temp Night temp Rainfall
Gangtok 21°C (70°F) 13°C (55°F) 305 mm (12 in)
Pelling 21°C (70°F) 12°C (54°F) 513 mm (20 in)
Pemayangtse 20°C (68°F) 12°C (54°F) 523 mm (21 in)
Lachung 8°C (46°F) 1°C (34°F) 178 mm (7 in)
Namchi 25°C (77°F) 16°C (61°F) 379 mm (15 in)
Rinchingpong 23°C (73°F) 14°C (57°F) 511 mm (20 in)

Sikkim weather in May: frequently asked questions

What is the weather like in Sikkim, India in May?

Expect poor weather across Sikkim, India in May. The popular destination of Gangtok averages 21°C (70°F) by day and 13°C (55°F) at night during this month.

What is the average temperature in Sikkim, India in May?

Average temperatures in Sikkim, India during May range from a nighttime low near 13°C (55°F) to a daytime high around 21°C (70°F) in Gangtok.

Does Sikkim, India get a lot of rain in May?

Expect plenty of rainfall. Gangtok records an average of 305 mm (12 in) in May, putting it among the wetter months for Sikkim, India.

Is May a Good Time to Visit Sikkim, India?

In our opinion, May may not be the ideal time to visit Sikkim, India due to the typically poor weather in Gangtok.

Generally speaking, the best visiting conditions can be found in offering mostly poor weather in Gangtok.

Interested in more climate information?

We have much more information about the climate in Sikkim.

Weather and climate has detailed information for every country in the world. Are you going to India? Get detailed historical weather averages for many cities in India.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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