April weather forecastAlla, Bhutan
April
Weather in April
April marks a significant transition from the cold winter weather to the warmth of spring. The average high temperature increases to 12°C (53.6°F), which is a change from the usual cold weather. The month is a wetter spell with rainfall increasing to 62mm (2.44"), which is significantly higher than previous months, while snowfall dips dramatically to 23mm (0.91"). The number of days experiencing rainfall also increase along with a rise in humidity. Despite these changes, the wind speed remains pretty consistent, offering a gentle breeze throughout the day.Temperature
April begins with an average high-temperature of a fresh 12°C (53.6°F), reflecting close similarity to the preceding month. In Alla, April nights cool down to an average of 4.8°C (40.6°F).Humidity
In Alla, the average relative humidity in April is 66%.Rainfall
In Alla, in April, it is raining for 19.1 days, with typically 62mm (2.44") of accumulated precipitation. In Alla, during the entire year, the rain falls for 187.5 days and collects up to 879mm (34.61") of precipitation.Snowfall
January through May, November and December are months with snowfall in Alla. In Alla, during April, snow falls for 2.3 days and regularly aggregates up to 23mm (0.91") of snow. Throughout the year, in Alla, there are 33.8 snowfall days, and 431mm (16.97") of snow is accumulated.Daylight
In Alla, Bhutan, the average length of the day in April is 12h and 49min.On the first day of April in Alla, sunrise is at 05:50 and sunset at 18:17. On the last day of the month, sunrise is at 05:21 and sunset at 18:33 +06.
Sunshine
April has the most sunshine of the year in Alla, with an average of 11.2h of sunshine.UV index
In Alla, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 3 during April translates into the following guidance:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Alla, Bhutan
- Average high temperature in April: 12°C
The warmest month (with the highest average high temperature) is August (17.8°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in April: 4.8°C
The month with the highest average low temperature is August (11.9°C).
The coldest month (with the lowest average low temperature) is January (-2.6°C).
Average pressure in April
Alla, Bhutan
- Average pressure in April: 1013.3mbar
The month with the highest atmospheric pressure is January (1016.9mbar).
The month with the lowest atmospheric pressure is July (1006.8mbar).
Average wind speed in April
Alla, Bhutan
- Average wind speed in April: 8.6km/h
The windiest month (with the highest average wind speed) is April (8.6km/h).
The calmest months (with the lowest average wind speed) are September and October (6.4km/h).
Average humidity in April
Alla, Bhutan
- Average humidity in April: 66%
The month with the highest relative humidity is July (83%).
The months with the lowest relative humidity are January and February (57%).
Average rainfall in April
Alla, Bhutan
- Average rainfall in April: 62mm
The wettest month (with the highest rainfall) is July (196mm).
The driest month (with the least rainfall) is December (7mm).
Average rainfall days in April
Alla, Bhutan
- Average rainfall days in April: 19.1 days
The month with the highest number of rainy days is July (27.3 days).
The month with the least rainy days is January (4.2 days).
Average snowfall in April
Alla, Bhutan
- Average snowfall in April: 23mm
The month with the highest snowfall is February (146mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in April
Alla, Bhutan
- Average snowfall days in April: 2.3 days
The month with the highest number of snowfall days is March (8.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Alla, Bhutan
- Average daylight in April: 12h and 48min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in April: 11h and 12min
The month with the most sunshine is April (Average sunshine: 11h and 12min).
The months with the least sunshine are January, February and November (Average sunshine: 7h and 24min).
Average sunshine days in April
Alla, Bhutan
- Average sunshine days in April: 5.7 days
The month with the most sunshine days is January (22.9 days).
The months with the least sunshine days are May and June (2.8 days).
Average UV index in April
Alla, Bhutan
- Average UV index in April: 3
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in April
Alla, Bhutan
- Average cloud cover in April: 26
The month with the most cloud cover is July (Cloud cover 51).
The month with the least cloud cover is January (Cloud cover 14).
Average visibility in April
Alla, Bhutan
- Average visibility in April: 10km
The months with the highest visibility are January, February, March, April, May, October, November and December (10km).
The months with the lowest visibility are June, July, August and September (9km).





