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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 Gromiljak, Bosnia and Herzegovina, with temperature in the range of an average low of -4.3°C (24.3°F) and an average high of 2.8°C (37°F). January, with average temperatures reaching a high of 2.8°C (37°F) and a low of -4.3°C (24.3°F), is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Gromiljak, Bosnia and Herzegovina, with temperature in the range of an average low of -3.2°C (26.2°F) and an average high of 4.3°C (39.7°F). The transition into February notes an average high-temperature of a still wintry 4.3°C (39.7°F), revealing a mild distinction from the 2.8°C (37°F) in January. Weather in February »
Weather in March
March, the first month of the spring in Gromiljak, is a frosty month, with temperature in the range of an average high of 9.2°C (48.6°F) and an average low of 0.1°C (32.2°F). The average high-temperature mildly increases in March, edging from a cold 4.3°C (39.7°F) in February to a frosty 9.2°C (48.6°F). Weather in March »
Weather in April
April is a mild spring month in Gromiljak, Bosnia and Herzegovina, with an average temperature varying between 3.9°C (39°F) and 14.8°C (58.6°F). As April sets, the average high-temperature shows an increase, moving up from a frosty 9.2°C (48.6°F) in March to a moderate 14.8°C (58.6°F). Weather in April »
Weather in May
May, the last month of the spring in Gromiljak, is an enjoyable month, with an average temperature ranging between max 18.6°C (65.5°F) and min 6.4°C (43.5°F). May's arrival sees a mild rise in the average high-temperature, transitioning from April's moderate 14.8°C (58.6°F) to a still refreshing 18.6°C (65.5°F). Weather in May »
Weather in June
June, the first month of the summer in Gromiljak, is a pleasant month, with temperature in the range of an average high of 22.9°C (73.2°F) and an average low of 9.5°C (49.1°F). June witnesses a subtle temperature ascent, adjusting from a refreshing 18.6°C (65.5°F) in May to a pleasant 22.9°C (73.2°F). Weather in June »
Weather in July
July in Gromiljak, Bosnia and Herzegovina, is a warm summer month, with temperature in the range of an average low of 11.5°C (52.7°F) and an average high of 25.7°C (78.3°F). Gromiljak, Bosnia and Herzegovina, records a slight change with July's average high-temperatures adjusting to a moderately hot 25.7°C (78.3°F) from June's 22.9°C (73.2°F). Weather in July »
Weather in August
August, the last month of the summer in Gromiljak, is another warm month, with an average temperature ranging between min 11.8°C (53.2°F) and max 26.5°C (79.7°F). With average temperatures fluctuating between a high of 26.5°C (79.7°F) and a low of 11.8°C (53.2°F), August stands out as the warmest month. Weather in August »
Weather in September
September, the first month of the autumn in Gromiljak, is also an agreeable month, with an average temperature fluctuating between 20.6°C (69.1°F) and 8.3°C (46.9°F). With the onset of September, Gromiljak's average high-temperature adjusts, receding from August's warm 26.5°C (79.7°F) to an agreeable 20.6°C (69.1°F). Weather in September »
Weather in October
October, the same as September, in Gromiljak, Bosnia and Herzegovina, is a moderate autumn month, with an average temperature ranging between max 15.5°C (59.9°F) and min 5.4°C (41.7°F). A subtle decrease in the average high-temperature marks October, falling from September's pleasant 20.6°C (69.1°F) to a refreshing 15.5°C (59.9°F). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Gromiljak, Bosnia and Herzegovina, with an average temperature ranging between min 2.8°C (37°F) and max 10.9°C (51.6°F). In Gromiljak, the beginning of November is marked by a marginally lowered average high-temperature, shifting from October's refreshing 15.5°C (59.9°F) to a fresh 10.9°C (51.6°F). Weather in November »
Weather in December
December, the first month of the winter in Gromiljak, is still a cold month, with temperature in the range of an average low of -2.6°C (27.3°F) and an average high of 4.3°C (39.7°F). In December, the average high-temperature goes from a fresh 10.9°C (51.6°F) in November to a cold 4.3°C (39.7°F). Weather in December »
Updated: Jan 24, 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 time of the year is the coldest in Gromiljak?
In Gromiljak, the average lowest temperatures are observed in January, with a high of 2.8°C (37°F) and a low of -4.3°C (24.3°F).
What is the most humid month in Gromiljak?
With an average relative humidity of 89%, January is the most humid month in Gromiljak, Bosnia and Herzegovina.
How many days does it rain in Gromiljak?
Throughout the year, in Gromiljak, Bosnia and Herzegovina, there are 166.1 rainfall days, and 678mm (26.69") of precipitation is accumulated.
When does it snow in Gromiljak?
January through April, October through December are months with snowfall.
When does it snow the most in Gromiljak?
January is the month with the most snowfall. Snow falls for 10.9 days and accumulates 247mm (9.72") of snow.
How much does it snow in Gromiljak?
Throughout the year, in Gromiljak, there are 36.6 snowfall days, and 831mm (32.72") of snow is accumulated.
When is the lowest UV index in Gromiljak?
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Gromiljak.
What is the month with the least sunshine in Gromiljak?
With an average of 4.6h of sunshine, February has the least sunshine of the year.
What is the rainiest month in Gromiljak?
The month with the most rainfall is May, when the rain falls for 18.4 days and typically aggregates up to 81mm (3.19") of precipitation.
When it does not snow in Gromiljak?
May through September are months without snowfall.
When are the longest days in Gromiljak?
With an average of 15h and 24min of daylight, June has the longest days of the year in Gromiljak, Bosnia and Herzegovina.
What is the month with the highest UV index in Gromiljak?
June through August, with an average maximum UV index of 5, are months with the highest UV index in Gromiljak, Bosnia and Herzegovina.
What is the month with the most sunshine in Gromiljak?
The months with the most sunshine in Gromiljak, Bosnia and Herzegovina, are July and August, with an average of 11.1h of sunshine.
What month is the hottest in Gromiljak?
Gromiljak, Bosnia and Herzegovina, notes the warmest temperatures in August, with a average high of 26.5°C (79.7°F) and a low of 11.8°C (53.2°F).
What is the least humid month in Gromiljak?
The least humid month is August, with an average relative humidity of 69%.
What is the driest month in Gromiljak?
September is the month with the least rainfall. Rain falls for 12.4 days and accumulates 34mm (1.34") of precipitation.
When is Daylight Saving Time (DST) in Gromiljak?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
What is the month with the shortest days in Gromiljak?
December has the shortest days of the year in Gromiljak, Bosnia and Herzegovina, with an average of 9h and 0min of daylight.
Average temperature
Gromiljak, Bosnia and Herzegovina
The warmest month (with the highest average high temperature) is August (26.5°C).
The month with the lowest average high temperature is January (2.8°C).
The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure
Gromiljak, Bosnia and Herzegovina
- Average pressure in January:
1018.6mbar - Average pressure in February:
1016.9mbar - Average pressure in March:
1016.4mbar - Average pressure in April:
1015.2mbar - Average pressure in May:
1014.7mbar - Average pressure in June:
1014.7mbar
- Average pressure in July:
1014.7mbar - Average pressure in August:
1015.8mbar - Average pressure in September:
1017.2mbar - Average pressure in October:
1018.7mbar - Average pressure in November:
1017mbar - Average pressure in December:
1020.4mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The months with the lowest atmospheric pressure are May, June and July (1014.7mbar).
Average wind speed
Gromiljak, Bosnia and Herzegovina
- Average wind speed in January:
7.3km/h - Average wind speed in February:
7.8km/h - Average wind speed in March:
8.1km/h - Average wind speed in April:
7.2km/h - Average wind speed in May:
6.9km/h - Average wind speed in June:
6.4km/h
- Average wind speed in July:
6.1km/h - Average wind speed in August:
5.8km/h - Average wind speed in September:
6.2km/h - Average wind speed in October:
6.4km/h - Average wind speed in November:
7km/h - Average wind speed in December:
7.5km/h
The windiest month (with the highest average wind speed) is March (8.1km/h).
The calmest month (with the lowest average wind speed) is August (5.8km/h).
Average humidity
Gromiljak, Bosnia and Herzegovina
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (69%).
Average rainfall
Gromiljak, Bosnia and Herzegovina
The wettest month (with the highest rainfall) is May (81mm).
The driest month (with the least rainfall) is September (34mm).
Average rainfall days
Gromiljak, Bosnia and Herzegovina
- Average rainfall days in January:
11.6 days - Average rainfall days in February:
11.9 days - Average rainfall days in March:
15.2 days - Average rainfall days in April:
16.1 days - Average rainfall days in May:
18.4 days - Average rainfall days in June:
18.6 days
- Average rainfall days in July:
16.6 days - Average rainfall days in August:
10.8 days - Average rainfall days in September:
12.4 days - Average rainfall days in October:
11.5 days - Average rainfall days in November:
11.5 days - Average rainfall days in December:
11.5 days
The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is August (10.8 days).
Average snowfall
Gromiljak, Bosnia and Herzegovina
The month with the highest snowfall is January (247mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days
Gromiljak, Bosnia and Herzegovina
- Average snowfall days in January:
10.9 days - Average snowfall days in February:
9 days - Average snowfall days in March:
4.6 days - Average snowfall days in April:
1.3 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:
0.3 days - Average snowfall days in November:
2.1 days - Average snowfall days in December:
8.4 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Gromiljak, Bosnia and Herzegovina
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 3min - Average daylight in May:
14h and 5min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 1min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
4h and 5min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 5min - Average sunshine in April:
9h and 2min - Average sunshine in May:
9h and 4min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
11h and 1min - Average sunshine in August:
11h and 1min - Average sunshine in September:
9h and 2min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 1min - Average sunshine in December:
5h and 2min
The months with the most sunshine are July and August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days
Gromiljak, Bosnia and Herzegovina
- Average sunshine days in January:
12.1 days - Average sunshine days in February:
9.2 days - Average sunshine days in March:
10.8 days - Average sunshine days in April:
10.9 days - Average sunshine days in May:
9.5 days - Average sunshine days in June:
8.9 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
17.6 days - Average sunshine days in September:
14.6 days - Average sunshine days in October:
17.1 days - Average sunshine days in November:
15.1 days - Average sunshine days in December:
13.3 days
The month with the most sunshine days is August (17.6 days).
The month with the least sunshine days is June (8.9 days).
Average UV index
Gromiljak, Bosnia and Herzegovina
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover
Gromiljak, Bosnia and Herzegovina
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility
Gromiljak, Bosnia and Herzegovina
The months with the highest visibility are April, July, August and September (9km).
The months with the lowest visibility are January and February (7km).
