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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Ustren, Bulgaria, with an average temperature ranging between max 5.1°C (41.2°F) and min -1.8°C (28.8°F). Ustren experiences its lowest average temperatures in January, reaching a peak of 5.1°C (41.2°F) and a minimum of -1.8°C (28.8°F). Weather in January »
Weather in February
February, the last month of the winter in Ustren, is a chilly month, with an average temperature ranging between max 7.3°C (45.1°F) and min 0.2°C (32.4°F). The high-temperature average in February for Ustren is a frosty 7.3°C (45.1°F), staying closely aligned with January's conditions. Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Ustren, Bulgaria, with an average temperature ranging between min 2.8°C (37°F) and max 11.7°C (53.1°F). March brings a slight rise in Ustren's average high-temperature, moving from a chilly 7.3°C (45.1°F) in February to a fresh 11.7°C (53.1°F). Weather in March »
Weather in April
April in Ustren, Bulgaria, is a comfortable spring month, with an average temperature fluctuating between 16.8°C (62.2°F) and 5.5°C (41.9°F). April's arrival brings a temperature shift, moving from a cool 11.7°C (53.1°F) in March to an enjoyable 16.8°C (62.2°F). Weather in April »
Weather in May
May, the last month of the spring in Ustren, is an agreeable month, with an average temperature varying between 22.1°C (71.8°F) and 9.8°C (49.6°F). With the transition into May, Ustren experiences an increase in average high-temperatures, moving up from a refreshing 16.8°C (62.2°F) in April to a pleasant 22.1°C (71.8°F). Weather in May »
Weather in June
June, the first month of the summer in Ustren, is a warm month, with an average temperature ranging between min 13.6°C (56.5°F) and max 26.1°C (79°F). The shift into June is marked by a modest rise in the average high-temperature, moving from May's pleasant 22.1°C (71.8°F) to a moderately hot 26.1°C (79°F). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Ustren, Bulgaria, with an average temperature ranging between max 29.2°C (84.6°F) and min 16°C (60.8°F). July brings a slight rise in Ustren's average high-temperature, moving from a warm 26.1°C (79°F) in June to a still moderately hot 29.2°C (84.6°F). Weather in July »
Weather in August
August, the last month of the summer in Ustren, is another warm month, with an average temperature fluctuating between 16.4°C (61.5°F) and 29.8°C (85.6°F). The month of August sees the highest average temperatures, reaching 29.8°C (85.6°F) at the peak and 16.4°C (61.5°F) at the low. August's heat index is evaluated at a hot 31°C (87.8°F). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Ustren, Bulgaria, with an average temperature varying between 12.9°C (55.2°F) and 24.9°C (76.8°F). With September's onset, the weather reveals a slight temperature decrease, transitioning from 29.8°C (85.6°F) in August to a still moderately hot 24.9°C (76.8°F). Weather in September »
Weather in October
October, like September, in Ustren, Bulgaria, is another refreshing autumn month, with an average temperature ranging between max 17.8°C (64°F) and min 8.5°C (47.3°F). The start of October signals a decrease in the average high-temperature, transitioning from a warm 24.9°C (76.8°F) in September to an enjoyable 17.8°C (64°F). Weather in October »
Weather in November
The last month of the autumn, November, is also a moderate month in Ustren, Bulgaria, with an average temperature ranging between min 5.5°C (41.9°F) and max 13.1°C (55.6°F). With the arrival of November, Ustren notices a mild change in the average high-temperature, sliding from October's refreshing 17.8°C (64°F) to a moderate 13.1°C (55.6°F). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Ustren, Bulgaria, with an average temperature varying between 0.5°C (32.9°F) and 7.3°C (45.1°F). A decrease in the average high-temperature is observed during December, shifting from a mild 13.1°C (55.6°F) in November to a frosty 7.3°C (45.1°F). Weather in December »
Updated: Jun 15, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
January, marked by an average high-temperature of 5.1°C (41.2°F) and a low-temperature of -1.8°C (28.8°F), is the coldest month.
What is the most humid month in Ustren?
The most humid month is January, with an average relative humidity of 83%.
How much does it rain?
In Ustren, during the entire year, the rain falls for 133.4 days and collects up to 458mm (18.03") of precipitation.
When does it snow?
January through April, October through December are months with snowfall.
How many days does it snow?
In Ustren, during the entire year, snow falls for 15.5 days and aggregates up to 335mm (13.19") of snow.
What is the month with the least sunshine?
With an average of 5.4h of sunshine, January has the least sunshine of the year.
What is the month with the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
When it does not snow?
In Ustren, snow does not fall in May through September.
What is the rainiest month?
The month with the most rainfall is June, when the rain falls for 18.2 days and typically aggregates up to 71mm (2.8") of precipitation.
When are the longest days?
With an average of 15h and 6min of daylight, June has the longest days of the year.
What are the months with the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What is the hottest time of year?
With an average high-temperature of 29.8°C (85.6°F) and an average low-temperature of 16.4°C (61.5°F), August is the warmest month.
What is the least humid month?
August is the least humid month, with an average relative humidity of 52%.
What is the driest month?
August is the month with the least rainfall in Ustren. Rain falls for 7.2 days and accumulates 18mm (0.71") of precipitation.
What month has the most sunshine?
The month with the most sunshine is August, with an average of 11.7h of sunshine.
When is Daylight Saving Time (DST)?
On Sunday, 27. October 2024, at 04:00, Daylight Saving Time ends, and the time zone changes from EEST to EET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 03:00, and the time zone reverts from EET to EEST.
When does it snow the most in Ustren?
December is the month with the most snowfall. Snow falls for 3.1 days and accumulates 81mm (3.19") of snow.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 12min of daylight.
Average temperature
Ustren, Bulgaria
The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (5.1°C).
The month with the highest average low temperature is August (16.4°C).
The coldest month (with the lowest average low temperature) is January (-1.8°C).
Average pressure
Ustren, Bulgaria
- Average pressure in January:
1018.5mbar - Average pressure in February:
1017mbar - Average pressure in March:
1015.9mbar - Average pressure in April:
1014.9mbar - Average pressure in May:
1013.4mbar - Average pressure in June:
1012.9mbar
- Average pressure in July:
1012.5mbar - Average pressure in August:
1014.2mbar - Average pressure in September:
1015.9mbar - Average pressure in October:
1018.6mbar - Average pressure in November:
1018.9mbar - Average pressure in December:
1019.9mbar
The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is July (1012.5mbar).
Average wind speed
Ustren, Bulgaria
- Average wind speed in January:
8.4km/h - Average wind speed in February:
9.5km/h - Average wind speed in March:
9.8km/h - Average wind speed in April:
9km/h - Average wind speed in May:
9km/h - Average wind speed in June:
8.3km/h
- Average wind speed in July:
8.5km/h - Average wind speed in August:
9.9km/h - Average wind speed in September:
8.7km/h - Average wind speed in October:
7.6km/h - Average wind speed in November:
8.1km/h - Average wind speed in December:
8.6km/h
The windiest month (with the highest average wind speed) is August (9.9km/h).
The calmest month (with the lowest average wind speed) is October (7.6km/h).
Average humidity
Ustren, Bulgaria
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (52%).
Average rainfall
Ustren, Bulgaria
The wettest month (with the highest rainfall) is June (71mm).
The driest month (with the least rainfall) is August (18mm).
Average rainfall days
Ustren, Bulgaria
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
6.8 days - Average rainfall days in March:
12.1 days - Average rainfall days in April:
14.4 days - Average rainfall days in May:
17.7 days - Average rainfall days in June:
18.2 days
- Average rainfall days in July:
13.4 days - Average rainfall days in August:
7.2 days - Average rainfall days in September:
9.8 days - Average rainfall days in October:
9.6 days - Average rainfall days in November:
7.7 days - Average rainfall days in December:
9.2 days
The month with the highest number of rainy days is June (18.2 days).
The month with the least rainy days is February (6.8 days).
Average snowfall
Ustren, Bulgaria
The month with the highest snowfall is December (81mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days
Ustren, Bulgaria
- Average snowfall days in January:
5.4 days - Average snowfall days in February:
3.7 days - Average snowfall days in March:
2.3 days - Average snowfall days in April:
0.2 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.2 days - Average snowfall days in November:
0.6 days - Average snowfall days in December:
3.1 days
The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Ustren, Bulgaria
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
5h and 2min - Average sunshine in February:
5h and 4min - Average sunshine in March:
7h and 1min - Average sunshine in April:
9h and 4min - Average sunshine in May:
10h and 4min - Average sunshine in June:
11h and 1min
- Average sunshine in July:
11h and 3min - Average sunshine in August:
11h and 4min - Average sunshine in September:
10h and 0min - Average sunshine in October:
6h and 2min - Average sunshine in November:
6h and 1min - Average sunshine in December:
5h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days
Ustren, Bulgaria
- Average sunshine days in January:
18.9 days - Average sunshine days in February:
17.8 days - Average sunshine days in March:
16.2 days - Average sunshine days in April:
13.6 days - Average sunshine days in May:
10.4 days - Average sunshine days in June:
8.6 days
- Average sunshine days in July:
15.2 days - Average sunshine days in August:
20.6 days - Average sunshine days in September:
18.1 days - Average sunshine days in October:
19 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
19.1 days
The month with the most sunshine days is August (20.6 days).
The month with the least sunshine days is June (8.6 days).
Average UV index
Ustren, Bulgaria
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Ustren, Bulgaria
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility
Ustren, Bulgaria
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January and February (8km).
