May is one of the warmer months of the year in Gyalshing district (West Sikkim), with average highs near 13.5°C and lows around 3.6°C (mean 8.6°C). It is about average for rainfall, averaging 93 mm of rainfall and 75% relative humidity across the period.
May is one of the warmer months of the year in Gyalshing district (West Sikkim). Across 45 years of records, the warmest May in Gyalshing district (West Sikkim) was 2000 — when the month averaged 9.9°C — while the coldest was 2023 at 6.8°C. Typical May days reach 13.5°C with nights near 3.6°C. The long-term May temperature trend is broadly flat.
May is about average for rainfall in Gyalshing district (West Sikkim), averaging 93 mm of rainfall. The wettest May on record was 2025 with 224 mm, while the driest was 1991 at 15 mm.
Relative humidity in Gyalshing district (West Sikkim) during May averages 75%. The most humid May was 2022 at 88%, and the least humid was 1997 at 62%.
May receives about 4.9 kWh/m²/day of solar energy in Gyalshing district (West Sikkim). The sunniest May was 1996 at 5.9 kWh/m²/day, and the cloudiest was 2021 at 3.8.
Average wind speed in Gyalshing district (West Sikkim) during May is 1.9 m/s. The windiest Mays were 1991 and 2003 at 2.1 m/s, while the calmest were 1981 and 2025 at 1.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 8.3°C | 8.9°C | 8.9°C | 8.6°C | 8.1°C | -0.2°C |
| Avg High | 13.6°C | 14.3°C | 13.8°C | 13.3°C | 12.3°C | -1.3°C |
| Avg Low | 3.1°C | 3.4°C | 3.9°C | 3.8°C | 3.9°C | +0.8°C |
| Avg Rain | 74 mm | 40 mm | 69 mm | 136 mm | 174 mm | +99 mm |
May temperatures in Gyalshing district (West Sikkim) have stayed relatively stable across the record.
May has ranged from a record low of -2.1°C (2017) to a record high of 18.9°C (2013).
Rainfall in May is about average for rainfall, averaging 93 mm, with a wettest year of 224 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.3°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
One of the best times to visit Gyalshing district (West Sikkim)
May is one of the best times to visit Gyalshing district (West Sikkim). Expect days averaging 13.5°C and nights around 3.6°C (mean 8.6°C) — warmer than Gyalshing district (West Sikkim)'s yearly average — with higher rainfall (93 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 🌧️ | 12.7°C | 8.6°C | 4.5°C | 16.6°C | 1.7°C | 224 mm | 87% | 1.6 m/s | 3.9 |
| 2024 | 13.1°C | 8.8°C | 4.5°C | 17.1°C | -1.2°C | 143 mm | 78% | 1.7 m/s | 4.2 |
| 2023 ❄️ | 11.4°C | 6.8°C | 2.2°C | 15.4°C | -2.0°C | 131 mm | 81% | 1.9 m/s | 4.3 |
| 2022 | 12.6°C | 8.6°C | 4.5°C | 14.8°C | 2.0°C | 185 mm | 88% | 1.8 m/s | 4 |
| 2021 | 12.0°C | 8.0°C | 3.9°C | 15.7°C | 0.0°C | 206 mm | 86% | 1.9 m/s | 3.8 |
| 2020 | 11.9°C | 7.8°C | 3.7°C | 15.1°C | 0.6°C | 154 mm | 86% | 1.8 m/s | 4.1 |
| 2019 | 12.9°C | 8.0°C | 3.1°C | 14.3°C | 1.0°C | 133 mm | 76% | 2 m/s | 4.5 |
| 2018 | 12.3°C | 8.3°C | 4.2°C | 15.8°C | 1.2°C | 165 mm | 85% | 1.8 m/s | 4.2 |
| 2017 | 12.8°C | 8.4°C | 3.9°C | 14.8°C | -2.1°C | 164 mm | 83% | 1.8 m/s | 4.2 |
| 2016 | 12.4°C | 8.2°C | 4.0°C | 16.4°C | 1.5°C | 167 mm | 84% | 1.8 m/s | 4.2 |
| 2015 | 13.3°C | 8.7°C | 4.0°C | 15.2°C | 0.3°C | 132 mm | 80% | 1.8 m/s | 4.6 |
| 2014 | 13.2°C | 8.5°C | 3.8°C | 15.7°C | 2.6°C | 162 mm | 75% | 1.9 m/s | 4.6 |
| 2013 | 14.4°C | 8.9°C | 3.5°C | 18.9°C | 0.2°C | 145 mm | 70% | 1.8 m/s | 4.4 |
| 2012 | 13.8°C | 8.6°C | 3.5°C | 17.0°C | -1.8°C | 69 mm | 70% | 1.9 m/s | 5.1 |
| 2011 | 13.8°C | 9.0°C | 4.3°C | 16.0°C | 2.1°C | 81 mm | 81% | 1.8 m/s | 4.5 |
| 2010 | 13.6°C | 8.9°C | 4.1°C | 16.3°C | 1.7°C | 141 mm | 78% | 1.8 m/s | 4.8 |
| 2009 | 13.3°C | 8.4°C | 3.4°C | 17.5°C | 0.3°C | 184 mm | 77% | 1.9 m/s | 4.6 |
| 2008 | 13.4°C | 8.7°C | 3.9°C | 14.9°C | 1.6°C | 51 mm | 80% | 1.9 m/s | 4.5 |
| 2007 | 14.2°C | 9.2°C | 4.1°C | 15.8°C | 1.8°C | 109 mm | 76% | 1.7 m/s | 5.3 |
| 2006 | 14.4°C | 9.6°C | 4.8°C | 16.5°C | 1.7°C | 44 mm | 80% | 1.9 m/s | 4.5 |
| 2005 | 12.6°C | 7.6°C | 2.5°C | 16.7°C | -0.8°C | 52 mm | 73% | 2 m/s | 4.6 |
| 2004 | 14.4°C | 9.2°C | 4.0°C | 17.7°C | 0.0°C | 53 mm | 72% | 2 m/s | 4.2 |
| 2003 | 13.0°C | 7.9°C | 2.7°C | 16.7°C | -1.4°C | 34 mm | 72% | 2.1 m/s | 4.8 |
| 2002 | 13.7°C | 8.8°C | 3.9°C | 17.0°C | 0.2°C | 60 mm | 78% | 1.8 m/s | 5.1 |
| 2001 | 14.1°C | 9.4°C | 4.8°C | 17.0°C | 2.5°C | 61 mm | 81% | 1.8 m/s | 4.8 |
| 2000 🔥 | 14.5°C | 9.9°C | 5.2°C | 17.2°C | 1.6°C | 47 mm | 79% | 1.7 m/s | 4.3 |
| 1999 | 14.8°C | 9.6°C | 4.4°C | 17.4°C | 0.3°C | 73 mm | 76% | 1.9 m/s | 5.1 |
| 1998 | 15.0°C | 9.8°C | 4.5°C | 18.3°C | 0.8°C | 38 mm | 76% | 1.8 m/s | 5.6 |
| 1997 | 13.0°C | 7.5°C | 2.0°C | 15.7°C | -0.5°C | 30 mm | 62% | 2 m/s | 5.5 |
| 1996 | 14.4°C | 8.7°C | 3.1°C | 17.2°C | 1.0°C | 39 mm | 66% | 2 m/s | 5.9 |
| 1995 | 15.5°C | 9.6°C | 3.7°C | 17.6°C | -0.5°C | 36 mm | 64% | 1.9 m/s | 5.8 |
| 1994 | 14.6°C | 9.1°C | 3.7°C | 16.7°C | 0.5°C | 25 mm | 67% | 2 m/s | 5.3 |
| 1993 | 14.2°C | 8.7°C | 3.2°C | 17.0°C | -0.1°C | 36 mm | 72% | 1.9 m/s | 5.4 |
| 1992 | 12.6°C | 7.4°C | 2.2°C | 16.1°C | -0.4°C | 63 mm | 71% | 2 m/s | 5.4 |
| 1991 | 14.7°C | 9.0°C | 3.3°C | 17.1°C | 0.4°C | 15 mm | 64% | 2.1 m/s | 5.3 |
| 1990 | 14.3°C | 9.3°C | 4.3°C | 18.1°C | 1.2°C | 49 mm | 78% | 1.9 m/s | 5.4 |
| 1989 | 14.7°C | 9.3°C | 3.9°C | 16.8°C | -0.1°C | 157 mm | 67% | 1.9 m/s | 5.6 |
| 1988 | 14.7°C | 9.2°C | 3.7°C | 17.3°C | 1.0°C | 53 mm | 72% | 1.8 m/s | 5.6 |
| 1987 | 13.2°C | 7.7°C | 2.3°C | 16.7°C | -2.0°C | 35 mm | 63% | 1.9 m/s | 5.7 |
| 1986 | 12.7°C | 7.2°C | 1.7°C | 14.8°C | -0.6°C | 39 mm | 67% | 1.9 m/s | 5.4 |
| 1985 | 13.7°C | 8.3°C | 2.8°C | 17.1°C | -0.6°C | 51 mm | 71% | 1.9 m/s | 5.3 |
| 1984 | 14.6°C | 9.3°C | 4.0°C | 17.9°C | -0.3°C | 69 mm | 74% | 1.8 m/s | 5.7 |
| 1983 | 12.7°C | 7.7°C | 2.7°C | 14.8°C | 0.2°C | 76 mm | 76% | 1.9 m/s | — |
| 1982 | 13.3°C | 8.2°C | 3.1°C | 15.4°C | 0.8°C | 26 mm | 69% | 1.9 m/s | — |
| 1981 | 12.6°C | 8.1°C | 3.7°C | 15.1°C | 1.0°C | 165 mm | 82% | 1.6 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 13.5°C with lows near 3.6°C (mean 8.6°C), based on 45 years of NASA POWER data.
May averages 93 mm of rainfall in Gyalshing district (West Sikkim), about average for rainfall. The wettest on record was 224 mm in 2025.
The hottest May reached 18.9°C in 2013. The coldest dipped to -2.1°C in 2017.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have fallen by about 0.1°C — but days and nights have moved in opposite directions. Overnight lows rose from 3.3°C to 3.9°C while daytime highs eased from 13.4°C to 12.4°C, narrowing the gap between day and night.
May is one of the warmer months of the year in Gyalshing district (West Sikkim) and about average for rainfall, so plan for around 13.5°C daytime highs and 3.6°C at night.
Not quite — May is the 8th coolest month in Gyalshing district (West Sikkim), averaging 8.6°C.
For May in Gyalshing district (West Sikkim), pack warm layers and a jacket for chilly mornings, with typical highs of 13.5°C and lows of 3.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 75% — quite humid.
Average wind speed in May is 1.9 m/s. The windiest May on record averaged 2.1 m/s (1991).
The wettest May on record was 2025 with 224 mm. On average, May sees 93 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Gyalshing district (West Sikkim) behaves each May, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for May specifically, along with year-by-year records and how the month has changed over the decades.
