Climate Overview
The climate in Sen Monorom is hot. The average annual temperature is 26°C and approximately 1868mm of precipitation falls per year. July is the wettest month, receiving around 344mm 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, April, February. The coldest months are January, February, December, when temperatures can drop to 21°C.
Temperature
Sen Monorom sees moderate temperature variation throughout the year, ranging from 21°C to 34°C. The warmest month is March, when average highs reach 34°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 21°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.
Precipitation
Sen Monorom is a fairly wet location, receiving approximately 1868mm of precipitation annually, which averages out to around 156mm per month. The wettest month is July, averaging 344mm of rainfall. September and August also tend to see above-average precipitation. The driest month is February, with just 9mm. That's 336mm 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 mildly breezy, with an average annual wind speed of 15km/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 23km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in May, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 12km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 20km/h in winter, 13km/h in spring, 14km/h in summer, 14km/h in autumn.
Seasons
89 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 January near 21°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 24 to 34°C. Rainfall is heavy, totalling around 342mm across the season with a monthly average of 114mm. Winds are generally light, averaging 13km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 24 to 31°C. Rainfall is heavy, totalling around 844mm across the season with a monthly average of 281mm. Winds are generally light, averaging 14km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 23 to 30°C. Rainfall is heavy, totalling around 621mm across the season with a monthly average of 207mm. Winds are generally light, averaging 14km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 21 to 32°C. Rainfall is relatively light, with around 61mm over the season and a monthly average of 20mm. Winds are moderate at around 20km/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.
