May weather forecastKampong Rou, Cambodia
May
Weather in May
May marks the official commencement of the monsoon in Kampong Rou, the peak of seasonal rainfall in Cambodia. The temperature does not vary significantly but the increasing cloud cover along with bouts of rain symbolizes a transition in the weather pattern. The increasing moisture content in the air also brings a subsequent rise in the relative humidity. Although sunshine hours reduce slightly, Kampong Rou remains reasonably warm, painting an enchanting portrait of a tropical city caught in the throes of monsoon. The blend of warm sun and gentle rain brings about a surreal beauty, characteristic of May in Cambodia.Temperature
The arrival of May in Kampong Rou denotes a barely perceptible change in the average high-temperatures to a hot 34.4°C (93.9°F) from April's 35.3°C (95.5°F). In the month of May, the temperature generally rests at an average low of 27.1°C (80.8°F).Heat index
The heat index for May is computed to be a life-threatening hot 48°C (118.4°F). Forewarned: Heat cramps and heat exhaustion are anticipated. Ongoing physical activity increases the likelihood of heatstroke.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.
Humidity
The average relative humidity in May in Kampong Rou is 70%.Rainfall
In May, in Kampong Rou, the rain falls for 26.1 days. Throughout May, 126mm (4.96") of precipitation is accumulated. Throughout the year, in Kampong Rou, there are 233.2 rainfall days, and 1174mm (46.22") of precipitation is accumulated.Daylight
In May, the average length of the day in Kampong Rou is 12h and 38min.On the first day of the month, sunrise is at 05:37 and sunset at 18:08. On the last day of May, in Kampong Rou, sunrise is at 05:32 and sunset at 18:15 +07.
Sunshine
The average sunshine in May in Kampong Rou is 9.9h.UV index
January, February, April through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for average individuals.Note: A maximum daily UV index of 7 during May morphs into the following directions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Kampong Rou, Cambodia
- Average high temperature in May: 34.4°C
The warmest month (with the highest average high temperature) is March (35.8°C).
The month with the lowest average high temperature is December (31.3°C).
- Average low temperature in May: 27.1°C
The month with the highest average low temperature is May (27.1°C).
The coldest month (with the lowest average low temperature) is January (23°C).
Average pressure in May
Kampong Rou, Cambodia
- Average pressure in May: 1007.8mbar
The month with the highest atmospheric pressure is January (1011.6mbar).
The months with the lowest atmospheric pressure are June and July (1007.3mbar).
Average wind speed in May
Kampong Rou, Cambodia
- Average wind speed in May: 10.6km/h
The windiest month (with the highest average wind speed) is August (13km/h).
The calmest month (with the lowest average wind speed) is October (7.8km/h).
Average humidity in May
Kampong Rou, Cambodia
- Average humidity in May: 70%
The months with the highest relative humidity are September and October (79%).
The month with the lowest relative humidity is March (58%).
Average rainfall in May
Kampong Rou, Cambodia
- Average rainfall in May: 126mm
The wettest month (with the highest rainfall) is September (181mm).
The driest month (with the least rainfall) is February (9mm).
Average rainfall days in May
Kampong Rou, Cambodia
- Average rainfall days in May: 26.1 days
The month with the highest number of rainy days is September (28.4 days).
The month with the least rainy days is February (4.2 days).
Average daylight in May /
Average sunshine in May
Kampong Rou, Cambodia
- Average daylight in May: 12h and 36min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in May: 9h and 54min
The month with the most sunshine is April (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in May
Kampong Rou, Cambodia
- Average sunshine days in May: 3.8 days
The month with the most sunshine days is January (24.5 days).
The month with the least sunshine days is September (1.2 days).
Average UV index in May
Kampong Rou, Cambodia
- Average UV index in May: 7
The month with the highest UV index is March (UV index 8).
The months with the lowest UV index are January, February, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in May
Kampong Rou, Cambodia
- Average cloud cover in May: 41
The month with the most cloud cover is September (Cloud cover 50).
The month with the least cloud cover is February (Cloud cover 24).
Average visibility in May
Kampong Rou, Cambodia
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, November and December (10km).
The months with the lowest visibility are May, June, July, August, September and October (9km).





