Climate Overview
The climate in Itanagar Airport is warm and mild. The average annual temperature is 23°C and approximately 2386mm of precipitation falls per year. June is the wettest month, receiving around 497mm of rainfall. Itanagar Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, September, July. The coldest months are January, December, February, when temperatures can drop to 12°C.
Temperature
Itanagar Airport sees moderate temperature variation throughout the year, ranging from 12°C to 31°C. The warmest month is August, when average highs reach 31°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 12°C and an average of 16°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.
Precipitation
Itanagar Airport is a very wet location, receiving approximately 2386mm of precipitation annually, which averages out to around 199mm per month. The wettest month is June, averaging 497mm of rainfall. July and May also tend to see above-average precipitation. The driest month is December, with just 11mm. That's 486mm less than June, 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
Itanagar Airport is relatively calm, with an average annual wind speed of 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.
Seasons
87 days until Summer
It is currently spring in Itanagar Airport, which began on March 20, 2026. Itanagar 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 August at around 31°C, while the coldest stretch bottoms out in January near 12°C. Summer is next, beginning on June 21, 2026 — 87 days from now.
Spring
Temperatures range from 17 to 28°C. Rainfall is heavy, totalling around 740mm across the season with a monthly average of 247mm. Winds are generally light, averaging 8km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 25 to 31°C. Rainfall is heavy, totalling around 1136mm across the season with a monthly average of 379mm. Winds are generally light, averaging 8km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 16 to 31°C. Rainfall is heavy, totalling around 407mm across the season with a monthly average of 136mm. Winds are generally light, averaging 6km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 12 to 23°C. Rainfall is relatively light, with around 102mm over the season and a monthly average of 34mm. 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
The best time to visit Itanagar Airport is during January, February, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 29mm per month. By contrast, August can be uncomfortably hot with temperatures reaching 31°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 Itanagar 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.
