Climate Insights for Omalur

Salem, State of Tamil Nādu, India

Hottest
April
37°C peak
Coldest
January
20°C low
Wettest
October
158mm rain
Best to Visit
January, December
Mild temps & low rain

Climate Overview

The climate in Omalur is hot. The average annual temperature is 28°C and approximately 999mm of precipitation falls per year. October is the wettest month, receiving around 158mm of rainfall. Omalur is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, May, March. The coldest months are January, December, February, when temperatures can drop to 20°C.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 30° Average: 25° Min: 20° Feb Max: 33° Average: 27° Min: 21° Mar Max: 35° Average: 29° Min: 24° Apr Max: 37° Average: 31° Min: 26° May Max: 35° Average: 30° Min: 26° Jun Max: 33° Average: 29° Min: 25° Jul Max: 32° Average: 28° Min: 24° Aug Max: 32° Average: 28° Min: 24° Sep Max: 32° Average: 28° Min: 24° Oct Max: 31° Average: 27° Min: 24° Nov Max: 30° Average: 26° Min: 23° Dec Max: 29° Average: 25° Min: 21°
Max
Average
Min

Omalur sees moderate temperature variation throughout the year, ranging from 20°C to 37°C. April is the hottest month, with daytime highs reaching 37°C and an average of 31°C. January is the coolest month, with minimum temperatures around 20°C and an average of 25°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 3°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 20mm Feb Precipitation: 4mm Mar Precipitation: 13mm Apr Precipitation: 35mm May Precipitation: 115mm Jun Precipitation: 99mm Jul Precipitation: 122mm Aug Precipitation: 108mm Sep Precipitation: 140mm Oct Precipitation: 158mm Nov Precipitation: 119mm Dec Precipitation: 65mm
Precipitation

Omalur is a moderately rainy area, receiving approximately 999mm of precipitation annually, which averages out to around 83mm per month. The wettest month is October, averaging 158mm of rainfall. September and July also tend to see above-average precipitation. The driest month is February, with just 4mm. That's 154mm less than October, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

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: 6km/h Mar Wind Speed: 6km/h Apr Wind Speed: 5km/h May Wind Speed: 5km/h Jun Wind Speed: 7km/h Jul Wind Speed: 7km/h Aug Wind Speed: 7km/h Sep Wind Speed: 6km/h Oct Wind Speed: 4km/h Nov Wind Speed: 6km/h Dec Wind Speed: 6km/h
Wind Speed

Omalur 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 July, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months.

Seasons

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

7 days until Autumn

It is currently summer in Omalur, which began on June 21, 2026. Omalur 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 April at around 37°C, while the coldest stretch bottoms out in January near 20°C. Autumn is next, beginning on September 23, 2026 (7 days from now).

Spring

Temperatures range from 24 to 37°C. Precipitation is moderate at around 163mm for the season, averaging 54mm per month. Winds are generally light, averaging 5km/h. Light layers work well as temperatures warm through the season. It is a great time to be outdoors.

Summer

Temperatures range from 24 to 33°C. Rainfall is heavy, totalling around 329mm across the season with a monthly average of 110mm. Winds are generally light, averaging 7km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 23 to 32°C. Rainfall is heavy, totalling around 418mm across the season with a monthly average of 139mm. Winds are generally light, averaging 5km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 20 to 33°C. Rainfall is relatively light, with around 89mm over the season and a monthly average of 30mm. Winds are generally light, averaging 6km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 25°
Feb 27°
Mar 29°
Apr 31°
May 30°
Jun 29°
Jul 28°
Aug 28°
Sep 28°
Oct 27°
Nov 26°
Dec 25°

The best time to visit Omalur is during January and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 42mm per month. By contrast, April can be uncomfortably hot with temperatures reaching 37°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

Monthly Climate Data

The table below shows monthly climate averages for Omalur 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. 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
20 °C
30 °C
6 km/h
20 mm
0 cm
Feb
21 °C
33 °C
6 km/h
4 mm
0 cm
Mar
24 °C
35 °C
6 km/h
13 mm
0 cm
Apr
26 °C
37 °C
5 km/h
35 mm
0 cm
May
26 °C
35 °C
5 km/h
115 mm
0 cm
Jun
25 °C
33 °C
7 km/h
99 mm
0 cm
Jul
24 °C
32 °C
7 km/h
122 mm
0 cm
Aug
24 °C
32 °C
7 km/h
108 mm
0 cm
Sep Current
24 °C
32 °C
6 km/h
140 mm
0 cm
Oct
24 °C
31 °C
4 km/h
158 mm
0 cm
Nov
23 °C
30 °C
6 km/h
119 mm
0 cm
Dec
21 °C
29 °C
6 km/h
65 mm
0 cm
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Metric (°C, km/h)