Climate and monthly weather forecastAltenau, Germany
Climate and monthly weather forecast
Weather in January
January, like December, in Altenau, Germany, is another cold winter month, with an average temperature varying between 2.1°C (35.8°F) and -2.1°C (28.2°F). January is the coldest month, with an average high-temperature of 2.1°C (35.8°F) and an average low-temperature of -2.1°C (28.2°F). Weather in January »Weather in February
February, the last month of the winter in Altenau, is also an icy month, with an average temperature ranging between min -1.7°C (28.9°F) and max 3.5°C (38.3°F). With the start of February, Altenau measures an average high-temperature of a still icy 3.5°C (38.3°F), not significantly differing from January's 2.1°C (35.8°F). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Altenau, Germany, with an average temperature ranging between max 7.9°C (46.2°F) and min 1°C (33.8°F). As March begins, there's a slight increase in the average high-temperature, moving from a wintry 3.5°C (38.3°F) in February to a frosty 7.9°C (46.2°F). Weather in March »Weather in April
April in Altenau, Germany, is a mild spring month, with an average temperature varying between 14.1°C (57.4°F) and 4.2°C (39.6°F). April indicates a change in the average high-temperature, moving up from a chilly 7.9°C (46.2°F) in March to a mild 14.1°C (57.4°F). Weather in April »Weather in May
May, the last month of the spring in Altenau, is an enjoyable month, with an average temperature ranging between max 16.8°C (62.2°F) and min 6.8°C (44.2°F). Altenau sees the arrival of May with an average high-temperature of an enjoyable 16.8°C (62.2°F), indicating a subtle variation from April. Weather in May »Weather in June
The first month of the summer, June, is a pleasant month in Altenau, Germany, with an average temperature fluctuating between 20.6°C (69.1°F) and 10.2°C (50.4°F). With the transition into June, Altenau experiences a subtle uplift in average high-temperatures, adjusting from an enjoyable 16.8°C (62.2°F) in May to an agreeable 20.6°C (69.1°F). Weather in June »Weather in July
July, the same as June, in Altenau, Germany, is another pleasant summer month, with an average temperature fluctuating between 22.7°C (72.9°F) and 12.7°C (54.9°F). July's commencement is accompanied by an average high-temperature of a still agreeable 22.7°C (72.9°F), diverging marginally from June's 20.6°C (69.1°F). Weather in July »Weather in August
The last month of the summer, August, is a moderately hot month in Altenau, Germany, with an average temperature fluctuating between 13.3°C (55.9°F) and 23°C (73.4°F). August tends to be the warmest month, with temperatures averaging a daily high of 23°C (73.4°F) and a low of 13.3°C (55.9°F). Weather in August »Weather in September
September, the first month of the autumn in Altenau, is still a comfortable month, with an average temperature ranging between max 18.4°C (65.1°F) and min 10°C (50°F). As August makes way for September, Altenau's average high-temperature eases from a warm 23°C (73.4°F) to a refreshing 18.4°C (65.1°F). Weather in September »Weather in October
October, like September, in Altenau, Germany, is a cool autumn month, with temperature in the range of an average high of 12.9°C (55.2°F) and an average low of 6.5°C (43.7°F). The onset of October brings a small change in high-temperatures, falling from an enjoyable 18.4°C (65.1°F) in September to a cool 12.9°C (55.2°F). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Altenau, Germany, with an average temperature varying between 7.4°C (45.3°F) and 3.3°C (37.9°F). The arrival of November indicates a decrease in the average high-temperature, moving from a fresh 12.9°C (55.2°F) in October to a frosty 7.4°C (45.3°F). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Altenau, Germany, with temperature in the range of an average low of 0°C (32°F) and an average high of 4°C (39.2°F). Start of December brings a slight shift in the average high-temperature, dipping a bit from November's chilly 7.4°C (45.3°F) to an icy 4°C (39.2°F). Weather in December »Updated: Feb 14, 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
January, with an average high of 2.1°C (35.8°F) and a low of -2.1°C (28.2°F), signifies the coldest month of the year.
With an average relative humidity of 90%, January is the most humid month in Altenau.
Throughout the year, there are 169.6 rainfall days, and 463mm (18.23") of precipitation is accumulated.
January through May, October through December are months with snowfall.
The month with the most snowfall in Altenau is January, when snow falls for 12 days and typically aggregates up to 99mm (3.9") of snow.
Throughout the year, in Altenau, Germany, there are 41.5 snowfall days, and 347mm (13.66") of snow is accumulated.
The month with the least rainfall is April, when the rain falls for 13 days and typically collects 21mm (0.83") of precipitation.
The month with the most rainfall in Altenau, Germany, is June, when the rain falls for 17 days and typically aggregates up to 54mm (2.13") of precipitation.
June through September are months without snowfall.
The month with the longest days in Altenau is June, with an average of 16h and 36min of daylight.
The months with the highest UV index in Altenau, Germany, are June through August, with an average maximum UV index of 5.
In Altenau, temperatures reach their average annual highs in August, measuring 23°C (73.4°F) and a minimum average of 13.3°C (55.9°F).
The least humid month is August, with an average relative humidity of 72%.
With an average of 9.6h of sunshine, August has the most sunshine of the year.
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Altenau, 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.
The month with the lowest UV index in Altenau is November, with an average maximum UV index of 1.
With an average of 7h and 54min of daylight, December has the shortest days of the year in Altenau, Germany.
With an average of 3.4h of sunshine, December has the least sunshine of the year in Altenau.
Average temperature
Altenau, Germany
The warmest month (with the highest average high temperature) is August (23°C).
The month with the lowest average high temperature is January (2.1°C).
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-2.1°C).
Average pressure
Altenau, Germany
- Average pressure in January:
1015.9mbar - Average pressure in February:
1015.4mbar - Average pressure in March:
1016mbar - Average pressure in April:
1015.9mbar - Average pressure in May:
1016mbar - Average pressure in June:
1015.6mbar
- Average pressure in July:
1015mbar - Average pressure in August:
1015.6mbar - Average pressure in September:
1017.4mbar - Average pressure in October:
1017mbar - Average pressure in November:
1013.5mbar - Average pressure in December:
1015.9mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1013.5mbar).
Average wind speed
Altenau, Germany
- Average wind speed in January:
13.9km/h - Average wind speed in February:
13.9km/h - Average wind speed in March:
12.9km/h - Average wind speed in April:
10.7km/h - Average wind speed in May:
10.5km/h - Average wind speed in June:
10km/h
- Average wind speed in July:
10km/h - Average wind speed in August:
9.8km/h - Average wind speed in September:
10.2km/h - Average wind speed in October:
11.7km/h - Average wind speed in November:
12.2km/h - Average wind speed in December:
14.8km/h
The windiest month (with the highest average wind speed) is December (14.8km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).
Average humidity
Altenau, Germany
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (72%).
Average rainfall
Altenau, Germany
The wettest month (with the highest rainfall) is June (54mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days
Altenau, Germany
- Average rainfall days in January:
11.8 days - Average rainfall days in February:
10.4 days - Average rainfall days in March:
13.8 days - Average rainfall days in April:
13 days - Average rainfall days in May:
16.6 days - Average rainfall days in June:
17 days
- Average rainfall days in July:
18.6 days - Average rainfall days in August:
15.7 days - Average rainfall days in September:
13.4 days - Average rainfall days in October:
12.5 days - Average rainfall days in November:
12.8 days - Average rainfall days in December:
14 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is February (10.4 days).
Average snowfall
Altenau, Germany
The month with the highest snowfall is January (99mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Altenau, Germany
- Average snowfall days in January:
12 days - Average snowfall days in February:
9.8 days - Average snowfall days in March:
5.7 days - Average snowfall days in April:
1.6 days - Average snowfall days in May:
0.2 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:
3.4 days - Average snowfall days in December:
8.5 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Altenau, Germany
- Average daylight in January:
8h and 24min - Average daylight in February:
10h and 0min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 54min - Average daylight in May:
15h and 42min - Average daylight in June:
16h and 36min
- Average daylight in July:
16h and 6min - Average daylight in August:
14h and 36min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 42min - Average daylight in November:
8h and 54min - Average daylight in December:
7h and 54min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in January:
3h and 30min - Average sunshine in February:
3h and 42min - Average sunshine in March:
5h and 24min - Average sunshine in April:
8h and 48min - Average sunshine in May:
8h and 42min - Average sunshine in June:
8h and 54min
- Average sunshine in July:
9h and 24min - Average sunshine in August:
9h and 36min - Average sunshine in September:
8h and 18min - Average sunshine in October:
4h and 48min - Average sunshine in November:
4h and 18min - Average sunshine in December:
3h and 24min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days
Altenau, Germany
- Average sunshine days in January:
10.9 days - Average sunshine days in February:
10.3 days - Average sunshine days in March:
12.3 days - Average sunshine days in April:
14.6 days - Average sunshine days in May:
12.7 days - Average sunshine days in June:
10.1 days
- Average sunshine days in July:
9.6 days - Average sunshine days in August:
12.7 days - Average sunshine days in September:
13.8 days - Average sunshine days in October:
15.7 days - Average sunshine days in November:
13.5 days - Average sunshine days in December:
9.4 days
The month with the most sunshine days is October (15.7 days).
The month with the least sunshine days is December (9.4 days).
Average UV index
Altenau, Germany
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover
Altenau, Germany
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility
Altenau, Germany
The months with the highest visibility are April, June, July, August and September (9km).
The months with the lowest visibility are January and February (7km).
