Climate Overview
The climate in Sen Monorom is hot. The average annual temperature is 27°C and approximately 2178mm of precipitation falls per year. July is the wettest month, receiving around 360mm of rainfall. Sen Monorom is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: March, February, April. The coldest months are February, December, January, when temperatures can drop to 22°C.
Temperature
Sen Monorom sees moderate temperature variation throughout the year, ranging from 22°C to 34°C. The warmest month is March, when average highs reach 34°C and the mean temperature sits around 28°C. February is the coolest month, with minimum temperatures around 22°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.
Precipitation
Sen Monorom is a very wet location, receiving approximately 2178mm of precipitation annually, which averages out to around 182mm per month. The wettest month is July, averaging 360mm of rainfall. August and September also tend to see above-average precipitation. The driest month is February, with just 9mm. That's 352mm 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
Sen Monorom is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 2km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.
Seasons
3 days until Summer
It is currently spring in Sen Monorom, which began on March 20, 2026. Sen Monorom 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 March at around 34°C, while the coldest stretch bottoms out in February near 22°C. Summer is next, beginning on June 21, 2026 — 3 days from now.
Spring
Temperatures range from 24 to 34°C. Rainfall is heavy, totalling around 426mm across the season with a monthly average of 142mm. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 24 to 30°C. Rainfall is heavy, totalling around 974mm across the season with a monthly average of 325mm. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 23 to 30°C. Rainfall is heavy, totalling around 703mm across the season with a monthly average of 234mm. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 22 to 33°C. Rainfall is relatively light, with around 75mm over the season and a monthly average of 25mm. Winds are generally light, averaging 4km/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 Sen Monorom 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.
