April weather forecastJohnstone, United Kingdom
April
Weather in April
April in Johnstone, United Kingdom, is a cool spring month, with an average temperature varying between 10.5°C (50.9°F) and 3.8°C (38.8°F).Temperature
April's arrival is noted with a slight increase in the average high-temperature, moving from a frosty 7.3°C (45.1°F) in March to a cool 10.5°C (50.9°F). Throughout the month of April, the nighttime temperature dips to an average of 3.8°C (38.8°F).Humidity
April and May, with an average relative humidity of 83%, are the least humid months.Rainfall
The month with the least rainfall is April, when the rain falls for 18.4 days and typically collects 44mm (1.73") of precipitation.Snowfall
Months with snowfall in Johnstone are January through April, November and December. April is the last month it regularly snows. During 0.3 snowfall days, in April, Johnstone aggregates 2mm (0.08") of snow. Throughout the year, there are 14.4 snowfall days, and 160mm (6.3") of snow is accumulated.Daylight
In Johnstone, the average length of the day in April is 14h and 13min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:56 pm. On the last day of April, in Johnstone, United Kingdom, sunrise is at 5:35 am and sunset at 8:55 pm BST.
Sunshine
In April, the average sunshine is 6.7h.UV index
The average daily maximum UV index in April in Johnstone is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: A maximum UV index of 3 in April translates into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Johnstone, United Kingdom
- Average high temperature in April: 10.5°C
The warmest month (with the highest average high temperature) is July (16.7°C).
The month with the lowest average high temperature is January (4.9°C).
- Average low temperature in April: 3.8°C
The month with the highest average low temperature is July (10.1°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).
Average pressure in April
Johnstone, United Kingdom
- Average pressure in April: 1014.5mbar
The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is November (1006.8mbar).
Average wind speed in April
Johnstone, United Kingdom
- Average wind speed in April: 15.2km/h
The windiest month (with the highest average wind speed) is January (18.9km/h).
The calmest months (with the lowest average wind speed) are June and July (12.2km/h).
Average humidity in April
Johnstone, United Kingdom
- Average humidity in April: 83%
The months with the highest relative humidity are January, September, October, November and December (89%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in April
Johnstone, United Kingdom
- Average rainfall in April: 44mm
The wettest month (with the highest rainfall) is August (110mm).
The driest month (with the least rainfall) is April (44mm).
Average rainfall days in April
Johnstone, United Kingdom
- Average rainfall days in April: 18.4 days
The month with the highest number of rainy days is August (26.5 days).
The month with the least rainy days is February (18.3 days).
Average snowfall in April
Johnstone, United Kingdom
- Average snowfall in April: 2mm
The month with the highest snowfall is February (67mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in April
Johnstone, United Kingdom
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (4.3 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
Johnstone, United Kingdom
- Average daylight in April: 14h and 12min
The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in April: 6h and 42min
The month with the most sunshine is June (Average sunshine: 7h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in April
Johnstone, United Kingdom
- Average sunshine days in April: 9.2 days
The month with the most sunshine days is April (9.2 days).
The month with the least sunshine days is August (2.8 days).
Average UV index in April
Johnstone, United Kingdom
- Average UV index in April: 3
The months with the highest UV index are May, June and July (UV index 4).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in April
Johnstone, United Kingdom
- Average cloud cover in April: 56
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 56).
Average visibility in April
Johnstone, United Kingdom
- Average visibility in April: 9km
The months with the highest visibility are February, March, April, May and November (9km).
The months with the lowest visibility are January, June, July, August, September, October and December (8km).
