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
April
Weather in April
Temperature
April comes with an increase, with the average high-temperature moving from a cold 5.8°C (42.4°F) in March to a moderate 13.3°C (55.9°F). The mean low-temperature during April nights is an icy 3.3°C (37.9°F).Humidity
With an average relative humidity of 70%, April is the least humid month.Rainfall
March and April are months with the least rain when the rain falls for 12.5 days and typically aggregates up to 22mm (0.87") of rain.Snowfall
Months with snowfall in Stary Olsztyn are January through May, October through December. In Stary Olsztyn, in April, snow falls for 2.2 days, with typically accumulated 21mm (0.83") of snow. In Stary Olsztyn, during the entire year, snow falls for 51.5 days and aggregates up to 413mm (16.26") of snow.Daylight
In Stary Olsztyn, the average length of the day in April is 14h and 3min.On the first day of the month, sunrise is at 06:09 and sunset at 19:13. On the last day of April, sunrise is at 05:03 and sunset at 20:07 CEST.
Sunshine
In April, the average sunshine is 8.6h.UV index
In Stary Olsztyn, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In April, a daily UV index of 4 turns into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the least humid month?
What is the average humidity in April?
What is the driest month in Stary Olsztyn?
How many days does it rain in April in Stary Olsztyn?
How much does it snow in April?
What is the average length of the day in April?
When are sunrise and sunset in April?
How many hours of sunshine does Stary Olsztyn have in April?
What is the UV index intensity in April?
Average temperature in April
Stary Olsztyn, Poland
- Average high temperature in April: 13.3°C
The warmest month (with the highest average high temperature) is August (23.7°C).
The month with the lowest average high temperature is January (-1.1°C).
- Average low temperature in April: 3.3°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (-4.7°C).
Average pressure in April
Stary Olsztyn, Poland
- Average pressure in April: 1015.7mbar
The month with the highest atmospheric pressure is October (1017.4mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).
Average wind speed in April
Stary Olsztyn, Poland
- Average wind speed in April: 11.7km/h
The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in April
Stary Olsztyn, Poland
- Average humidity in April: 70%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (70%).
Average rainfall in April
Stary Olsztyn, Poland
- Average rainfall in April: 22mm
The wettest month (with the highest rainfall) is July (53mm).
The driest months (with the least rainfall) are March and April (22mm).
Average rainfall days in April
Stary Olsztyn, Poland
- Average rainfall days in April: 12.5 days
The month with the highest number of rainy days is July (19.9 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in April
Stary Olsztyn, Poland
- Average snowfall in April: 21mm
The month with the highest snowfall is January (132mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in April
Stary Olsztyn, Poland
- Average snowfall days in April: 2.2 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Stary Olsztyn, Poland
- Average daylight in April: 14h and 1min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in April: 8h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in April
Stary Olsztyn, Poland
- Average sunshine days in April: 14.4 days
The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is July (9 days).
Average UV index in April
Stary Olsztyn, Poland
- Average UV index in April: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in April
Stary Olsztyn, Poland
- Average cloud cover in April: 43
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in April
Stary Olsztyn, Poland
- Average visibility in April: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
