Climate Overview
The climate in Janakpur Airport is hot. The average annual temperature is 25°C and approximately 1254mm of precipitation falls per year. July is the wettest month, receiving around 345mm of rainfall. Janakpur Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, May, June. The coldest months are January, December, February, when temperatures can drop to 11°C.
Temperature
Temperatures in Janakpur Airport vary considerably across the year, with a 25°C difference between the coldest and warmest months. April is the hottest month, with daytime highs reaching 36°C and an average of 29°C. January is the coolest month, with minimum temperatures around 11°C and an average of 16°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 6°C shift in average temperatures.
Precipitation
Janakpur Airport is a fairly wet location, receiving approximately 1254mm of precipitation annually, which averages out to around 105mm per month. The wettest month is July, averaging 345mm of rainfall. August and September also tend to see above-average precipitation. The driest month is November, with just 0mm. That's 345mm 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
Janakpur Airport is mildly breezy, with an average annual wind speed of 13km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 9km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to pick up during the summer months. The seasonal averages are 11km/h in winter, 17km/h in spring, 15km/h in summer, 10km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Janakpur Airport, which began on March 20, 2026. Janakpur Airport 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 36°C, while the coldest stretch bottoms out in January near 11°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 19 to 36°C. Rainfall is relatively light, with around 134mm over the season and a monthly average of 45mm. Winds are moderate at around 17km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 27 to 35°C. Rainfall is heavy, totalling around 798mm across the season with a monthly average of 266mm. Winds are generally light, averaging 15km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 16 to 32°C. Precipitation is moderate at around 299mm for the season, averaging 100mm per month. Winds are generally light, averaging 10km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 11 to 27°C. Precipitation is minimal, with only around 23mm for the entire season. Winds are generally light, averaging 11km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Janakpur Airport 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 6mm per month. By contrast, April can be uncomfortably hot with temperatures reaching 36°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 Janakpur Airport 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.