April weather forecastHeibri, Estonia
April
Weather in April
April in Heibri, Estonia, is a frosty spring month, with an average temperature varying between 9.5°C (49.1°F) and 0.8°C (33.4°F).Temperature
Entering April, Heibri sees a temperature rise, with the average high-temperature advancing from March's cold 1.9°C (35.4°F) to a frosty 9.5°C (49.1°F). The low-temperature in Heibri averages to an icy 0.8°C (33.4°F) during the nights of April.Humidity
In April, the average relative humidity in Heibri is 76%.Rainfall
The month with the least rainfall in Heibri is April, when the rain falls for 14 days and typically collects 28mm (1.1") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Heibri, during April, snow falls for 4.8 days and regularly aggregates up to 46mm (1.81") of snow. In Heibri, during the entire year, snow falls for 90 days and aggregates up to 807mm (31.77") of snow.Daylight
In Heibri, Estonia, the average length of the day in April is 14h and 23min.On the first day of the month, sunrise is at 06:38 and sunset at 19:53. On the last day of April, sunrise is at 05:21 and sunset at 20:57 EEST.
Sunshine
In Heibri, the average sunshine in April is 6.9h.UV index
In Heibri, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 3 during April translates into these guidelines:
Ensure safety - Recommendations to avert sunburn are presented. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Heibri, Estonia
- Average high temperature in April: 9.5°C
The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (-3.8°C).
- Average low temperature in April: 0.8°C
The month with the highest average low temperature is July (12.7°C).
The coldest month (with the lowest average low temperature) is January (-8°C).
Average pressure in April
Heibri, Estonia
- Average pressure in April: 1014.4mbar
The month with the highest atmospheric pressure is October (1016.1mbar).
The month with the lowest atmospheric pressure is December (1011.6mbar).
Average wind speed in April
Heibri, Estonia
- Average wind speed in April: 12km/h
The windiest month (with the highest average wind speed) is December (14.4km/h).
The calmest months (with the lowest average wind speed) are July and August (10.9km/h).
Average humidity in April
Heibri, Estonia
- Average humidity in April: 76%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is May (72%).
Average rainfall in April
Heibri, Estonia
- Average rainfall in April: 28mm
The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is April (28mm).
Average rainfall days in April
Heibri, Estonia
- Average rainfall days in April: 14 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in April
Heibri, Estonia
- Average snowfall in April: 46mm
The month with the highest snowfall is February (190mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Heibri, Estonia
- Average snowfall days in April: 4.8 days
The month with the highest number of snowfall days is January (19.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Heibri, Estonia
- Average daylight in April: 14h and 24min
The month with the longest days is June (Average daylight: 18h and 0min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in April: 6h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 1h and 48min).
Average sunshine days in April
Heibri, Estonia
- Average sunshine days in April: 11.7 days
The month with the most sunshine days is May (13.8 days).
The month with the least sunshine days is December (6.2 days).
Average UV index in April
Heibri, Estonia
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in April
Heibri, Estonia
- Average cloud cover in April: 55
The months with the most cloud cover are February and December (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in April
Heibri, Estonia
- Average visibility in April: 8km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (6km).
