Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
Ystradgynlais experiences an average high-temperature of a fresh 12°C (53.6°F) in April, subtly different from March's 9.4°C (48.9°F). During April, the average low-temperature is a cold 5.6°C (42.1°F).Humidity
April is the least humid month in Ystradgynlais, with an average relative humidity of 81%.Rainfall
In Ystradgynlais, in April, it is raining for 13.6 days, with typically 35mm (1.38") of accumulated precipitation. Throughout the year, there are 181.3 rainfall days, and 568mm (22.36") of precipitation is accumulated.Snowfall
April through November are months without snowfall in Ystradgynlais.Daylight
The average length of the day in April in Ystradgynlais, United Kingdom, is 13h and 55min.On the first day of April in Ystradgynlais, sunrise is at 6:48 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:37 pm BST.
Sunshine
In Ystradgynlais, the average sunshine in April is 8h.UV index
The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 3 in April translates into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
What are April temperatures in Ystradgynlais?
What is the least humid month in Ystradgynlais?
What is the average humidity in April in Ystradgynlais?
How much does it rain in Ystradgynlais in April?
When it does not snow in Ystradgynlais?
Does it snow in Ystradgynlais in April?
How many hours of daylight does Ystradgynlais have in April?
When is the sunrise / sunset in April in Ystradgynlais?
How long on average sun shines in April in Ystradgynlais?
What is the UV index intensity in April in Ystradgynlais?
Average temperature in April
Ystradgynlais, United Kingdom
- Average high temperature in April: 12°C
The warmest month (with the highest average high temperature) is July (18.2°C).
The months with the lowest average high temperature are January and February (7.3°C).
- Average low temperature in April: 5.6°C
The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is February (3.8°C).
Average pressure in April
Ystradgynlais, United Kingdom
- Average pressure in April: 1015.3mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed in April
Ystradgynlais, United Kingdom
- Average wind speed in April: 16.3km/h
The windiest month (with the highest average wind speed) is December (22.4km/h).
The calmest month (with the lowest average wind speed) is June (14.9km/h).
Average humidity in April
Ystradgynlais, United Kingdom
- Average humidity in April: 81%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is April (81%).
Average rainfall in April
Ystradgynlais, United Kingdom
- Average rainfall in April: 35mm
The wettest months (with the highest rainfall) are November and December (66mm).
The driest month (with the least rainfall) is May (31mm).
Average rainfall days in April
Ystradgynlais, United Kingdom
- Average rainfall days in April: 13.6 days
The month with the highest number of rainy days is November (17 days).
The month with the least rainy days is September (12.6 days).
Average snowfall in April
Ystradgynlais, United Kingdom
- Average snowfall in April: 0mm
The month with the highest snowfall is January (12mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in April
Ystradgynlais, United Kingdom
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is January (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Ystradgynlais, United Kingdom
- Average daylight in April: 13h and 5min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in April: 8h and 0min
The month with the most sunshine is May (Average sunshine: 8h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Ystradgynlais, United Kingdom
- Average sunshine days in April: 13.6 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in April
Ystradgynlais, United Kingdom
- 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, November and December (UV index 2).
Average cloud cover in April
Ystradgynlais, United Kingdom
- Average cloud cover in April: 47
The month with the most cloud cover is December (Cloud cover 63).
The months with the least cloud cover are April and May (Cloud cover 47).
Average visibility in April
Ystradgynlais, United Kingdom
- Average visibility in April: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Ystradgynlais, United Kingdom
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