Climate Insights for Manihāri

Katihar, State of Bihar, India

Hottest
April
35°C peak
Coldest
January
12°C low
Wettest
July
302mm rain
Best to Visit
January, February, November
Mild temps & low rain

Climate Overview

The climate in Manihāri is hot. The average annual temperature is 26°C and approximately 1445mm of precipitation falls per year. July is the wettest month, receiving around 302mm of rainfall. Manihāri is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, June, May. The coldest months are January, December, February, when temperatures can drop to 12°C.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 22° Average: 16° Min: 12° Feb Max: 27° Average: 20° Min: 15° Mar Max: 32° Average: 25° Min: 20° Apr Max: 35° Average: 29° Min: 23° May Max: 34° Average: 29° Min: 25° Jun Max: 34° Average: 30° Min: 27° Jul Max: 33° Average: 30° Min: 28° Aug Max: 33° Average: 30° Min: 27° Sep Max: 33° Average: 29° Min: 27° Oct Max: 32° Average: 27° Min: 24° Nov Max: 29° Average: 23° Min: 18° Dec Max: 24° Average: 18° Min: 14°
Max
Average
Min

Temperatures in Manihāri vary considerably across the year, with a 23°C difference between the coldest and warmest months. The warmest month is April, when average highs reach 35°C and the mean temperature sits around 29°C. January is the coolest month, with minimum temperatures around 12°C and an average of 16°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 5°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 9mm Feb Precipitation: 25mm Mar Precipitation: 30mm Apr Precipitation: 47mm May Precipitation: 139mm Jun Precipitation: 219mm Jul Precipitation: 302mm Aug Precipitation: 266mm Sep Precipitation: 296mm Oct Precipitation: 106mm Nov Precipitation: 1mm Dec Precipitation: 5mm
Precipitation

Manihāri is a fairly wet location, receiving approximately 1445mm of precipitation annually, which averages out to around 120mm per month. The wettest month is July, averaging 302mm of rainfall. September and August also tend to see above-average precipitation. The driest month is November, with just 1mm. That's 300mm less than July, 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: 7km/h Feb Wind Speed: 8km/h Mar Wind Speed: 9km/h Apr Wind Speed: 10km/h May Wind Speed: 9km/h Jun Wind Speed: 9km/h Jul Wind Speed: 10km/h Aug Wind Speed: 9km/h Sep Wind Speed: 8km/h Oct Wind Speed: 6km/h Nov Wind Speed: 6km/h Dec Wind Speed: 7km/h
Wind Speed

Manihāri is relatively calm, with an average annual wind speed of 8km/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 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/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 Manihāri, which began on June 21, 2026. Manihāri 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 35°C, while the coldest stretch bottoms out in January near 12°C. Autumn is next, beginning on September 23, 2026 (7 days from now).

Spring

Temperatures range from 20 to 35°C. Precipitation is moderate at around 217mm for the season, averaging 72mm per month. Winds are generally light, averaging 9km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 27 to 34°C. Rainfall is heavy, totalling around 786mm across the season with a monthly average of 262mm. Winds are generally light, averaging 9km/h. Stay hydrated, wear sun protection, and seek shade during the hottest hours of the day.

Autumn

Temperatures range from 18 to 33°C. Rainfall is heavy, totalling around 403mm across the season with a monthly average of 134mm. Winds are generally light, averaging 7km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 12 to 27°C. Precipitation is minimal, with only around 39mm for the entire season. Winds are generally light, averaging 7km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 16°
Feb 20°
Mar 25°
Apr 29°
May 29°
Jun 30°
Jul 30°
Aug 30°
Sep 29°
Oct 27°
Nov 23°
Dec 18°

The best time to visit Manihāri is during January, February, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 10mm per month. By contrast, April can be uncomfortably hot with temperatures reaching 35°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

Monthly Climate Data

The table below shows monthly climate averages for Manihāri 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
12 °C
22 °C
7 km/h
9 mm
0 cm
Feb
15 °C
27 °C
8 km/h
25 mm
0 cm
Mar
20 °C
32 °C
9 km/h
30 mm
0 cm
Apr
23 °C
35 °C
10 km/h
47 mm
0 cm
May
25 °C
34 °C
9 km/h
139 mm
0 cm
Jun
27 °C
34 °C
9 km/h
219 mm
0 cm
Jul
28 °C
33 °C
10 km/h
302 mm
0 cm
Aug
27 °C
33 °C
9 km/h
266 mm
0 cm
Sep Current
27 °C
33 °C
8 km/h
296 mm
0 cm
Oct
24 °C
32 °C
6 km/h
106 mm
0 cm
Nov
18 °C
29 °C
6 km/h
1 mm
0 cm
Dec
14 °C
24 °C
7 km/h
5 mm
0 cm
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Metric (°C, km/h)