Climate Overview
The climate in Ilām is temperate. The average annual temperature is 17°C and approximately 3240mm of precipitation falls per year. July is the wettest month, receiving around 863mm of rainfall. Ilām is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, June, July. The coldest months are January, December, February, when temperatures can drop to 5°C.
Temperature
Ilām sees moderate temperature variation throughout the year, ranging from 5°C to 25°C. The warmest month is August, when average highs reach 25°C and the mean temperature sits around 22°C. January is the coolest month, with minimum temperatures around 5°C and an average of 9°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
Ilām is a very wet location, receiving approximately 3240mm of precipitation annually, which averages out to around 270mm per month. The wettest month is July, averaging 863mm of rainfall. June and August also tend to see above-average precipitation. The driest month is December, with just 12mm. That's 850mm 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
Ilām 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 March, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, 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
89 days until Summer
It is currently spring in Ilām, which began on March 20, 2026. Ilām 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 25°C, while the coldest stretch bottoms out in January near 5°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 10 to 24°C. Rainfall is heavy, totalling around 597mm across the season with a monthly average of 199mm. Winds are generally light, averaging 8km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 19 to 25°C. Rainfall is heavy, totalling around 1954mm across the season with a monthly average of 651mm. Winds are generally light, averaging 6km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 10 to 25°C. Rainfall is heavy, totalling around 590mm across the season with a monthly average of 197mm. Winds are generally light, averaging 6km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 5 to 17°C. Rainfall is relatively light, with around 99mm over the season and a monthly average of 33mm. Winds are generally light, averaging 7km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Ilām 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.
