Calcutta in Spring
In spring (September, October and November), Calcutta sees average daytime highs around 28°C and overnight lows near 16°C, with 191 mm of rain over about 28 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Across spring, daytime highs hold fairly steady around 28°C. The sky is clear or mostly clear about 43% of the time across spring, and the air most often feels dry.
Spring is Calcutta's 3rd-best season to visit on our travel score. For the whole year in context, see Calcutta's year-round climate.
- Avg daytime high
- 28°C
- 2nd-warmest season
- Avg overnight low
- 16°C
- Rainfall
- 191 mm
- 28 wet days
- Avg wind
- 9 km/h
- Travel score
- 6.5
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Calcutta in Spring
Across spring, daytime highs hold fairly steady around 28°C.
A typical spring day in Calcutta reaches about 28°C and drops to 16°C overnight. The warmest of the three months is November, the coolest September.
Calcutta weather by month
How the three spring months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 20° | 140 | 14.7 | 13.4 | 4.8 |
| Feb | 29° / 20° | 121 | 13.2 | 12.9 | 4.9 |
| Mar | 29° / 19° | 90 | 11.8 | 12.2 | 5.7 |
| Apr | 27° / 17° | 46 | 7.6 | 11.4 | 7.2 |
| May | 26° / 13° | 15 | 3 | 10.8 | 8.5 |
| Jun | 24° / 11° | 8 | 2 | 10.5 | 9.1 |
| Jul | 24° / 10° | 11 | 2.3 | 10.6 | 8.9 |
| Aug | 25° / 12° | 16 | 3.3 | 11.1 | 8.6 |
| Sep | 27° / 15° | 30 | 5.3 | 11.8 | 7.6 |
| Oct | 27° / 17° | 56 | 9.8 | 12.6 | 6.5 |
| Nov | 28° / 18° | 104 | 12.8 | 13.2 | 5.4 |
| Dec | 29° / 19° | 132 | 15.1 | 13.5 | 4.9 |
Cloud cover in Spring
The sky is clear or mostly clear about 43% of the time across spring.
Chance of precipitation in Spring
Calcutta gets around 191 mm of rain over 28 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 9 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 30 min in early September to 13 h 24 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.3 kWh/m².
Hazard calendar for Calcutta
In spring, Calcutta overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Calcutta's rainy season runs November–March, when most of the year's rain falls.
Is spring a good time to visit Calcutta?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Calcutta for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Calcutta in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Calcutta sees daytime highs around 28°C and nights near 16°C. Pack light clothes. Worth having: rain gear and sun protection. About 28 days see rain.
UV index in Calcutta in Spring
Clear-sky midday UV across spring averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Calcutta peaks around January 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 5 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 14 | 13 | 12 | 8 | 6 | 5 | 5 | 7 | 8 | 10 | 12 | 13 |
| Level | Extreme | Extreme | Extreme | Very high | High | Moderate | High | High | Very high | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 13 | Extreme |
| Mar | 12 | Extreme |
| Apr | 8 | Very high |
| May | 6 | High |
| Jun | 5 | Moderate |
| Jul | 5 | High |
| Aug | 7 | High |
| Sep | 8 | Very high |
| Oct | 10 | Very high |
| Nov | 12 | Extreme |
| Dec | 13 | Extreme |
Air quality in Calcutta in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Calcutta is worst in July — around 32 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (January, 12 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 12 | 13 | 17 | 23 | 31 | 30 | 32 | 30 | 26 | 19 | 18 | 13 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Moderate |
| Feb | 13 | Moderate |
| Mar | 17 | Moderate |
| Apr | 23 | Moderate |
| May | 31 | Moderate |
| Jun | 30 | Moderate |
| Jul | 32 | Moderate |
| Aug | 30 | Moderate |
| Sep | 26 | Moderate |
| Oct | 19 | Moderate |
| Nov | 18 | Moderate |
| Dec | 13 | Moderate |
Where is Calcutta?
Calcutta sits at 25.0°S, 31.2°E, 435 m above sea level, in South Africa. The nearest listed city is Mkhuhlu, 1.0 km away.
Topography around Calcutta
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Calcutta.
Within 3 km, the terrain around Calcutta has only modest variations in elevation — a maximum elevation change of 118 m around an average of 432 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 526 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,118 m.
The land around Calcutta is covered by artificial surfaces (36%) and grassland (32%) within 3 km, grassland (49%) and trees (22%) within 16 km, and grassland (46%), trees (27%) and shrubs (22%) within 80 km.
South Africa travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / M / N
- 230 V · 50 Hz
- Prices
- ≈ 41% of US
- price level, 2025
- GDP per capita
- $6,598
- 2025
- Happiness
- 5.0 / 10
- World Happiness, 2025
- Safe drinking water
- 68%
- of population, 2024
- Homicide rate
- 43.7
- per 100k, 2022
- Road deaths
- 22.2
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Very high
- EF EPI 602
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Calcutta (-24.9832°, 31.2349°, elevation 435 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.