Climate and monthly weather forecastAltenahr, Germany
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Altenahr, Germany, with temperature in the range of an average low of -1.4°C (29.5°F) and an average high of 2.8°C (37°F). Temperature readings reach their annual highs in January, averaging 2.8°C (37°F) and a minimum average of -1.4°C (29.5°F). Weather in January »Weather in February
The last month of the winter, February, is another cold month in Altenahr, Germany, with an average temperature fluctuating between -1.3°C (29.7°F) and 4.1°C (39.4°F). The shift into February reveals an average high-temperature of a still icy 4.1°C (39.4°F), closely mirroring January's climate. Weather in February »Weather in March
March, the first month of the spring in Altenahr, is a frosty month, with an average temperature fluctuating between 0.9°C (33.6°F) and 8.4°C (47.1°F). A minor escalation in the average high-temperature is seen with the onset of March, moving from an icy 4.1°C (39.4°F) in February to a frosty 8.4°C (47.1°F). Weather in March »Weather in April
April is a refreshing spring month in Altenahr, Germany, with temperature in the range of an average high of 13.8°C (56.8°F) and an average low of 4.2°C (39.6°F). With the onset of April, Altenahr's weather sees a temperature rise, transitioning from a frosty 8.4°C (47.1°F) in March to a mild 13.8°C (56.8°F). Weather in April »Weather in May
May, the last month of the spring in Altenahr, is an enjoyable month, with an average temperature fluctuating between 16.6°C (61.9°F) and 6.4°C (43.5°F). Altenahr, Germany, marks the arrival of May with an average high-temperature of an enjoyable 16.6°C (61.9°F), hardly different from April's 13.8°C (56.8°F). Weather in May »Weather in June
June, the first month of the summer in Altenahr, is an agreeable month, with an average temperature varying between 20.2°C (68.4°F) and 9.7°C (49.5°F). The shift from May to June is marked by a slight increase in the average high-temperature, moving from a comfortable 16.6°C (61.9°F) to an agreeable 20.2°C (68.4°F). Weather in June »Weather in July
July, like June, is an agreeable summer month in Altenahr, Germany, with an average temperature varying between 11.8°C (53.2°F) and 22.3°C (72.1°F). Altenahr experiences its highest average temperatures in July, reaching a peak of 22.3°C (72.1°F) and a minimum of 11.8°C (53.2°F). Weather in July »Weather in August
The last month of the summer, August, is also an agreeable month in Altenahr, Germany, with an average temperature fluctuating between 22°C (71.6°F) and 12.3°C (54.1°F). Altenahr records an average high-temperature of a still pleasant 22°C (71.6°F) in August, closely mirroring the climate of the previous month. Weather in August »Weather in September
September, the first month of the autumn in Altenahr, is also an enjoyable month, with an average temperature ranging between max 18°C (64.4°F) and min 8.8°C (47.8°F). September witnesses a gentle descent in average high-temperature, descending from August's agreeable 22°C (71.6°F) to a comfortable 18°C (64.4°F). Weather in September »Weather in October
October, like September, is a moderate autumn month in Altenahr, Germany, with an average temperature varying between 5.5°C (41.9°F) and 13.1°C (55.6°F). The onset of October brings a small shift in high-temperatures, falling from a refreshing 18°C (64.4°F) in September to a mild 13.1°C (55.6°F). Weather in October »Weather in November
November, the last month of the autumn in Altenahr, is another chilly month, with an average temperature varying between 2.9°C (37.2°F) and 7.5°C (45.5°F). The transition into November involves a decrease in the average high-temperature, falling from a refreshing 13.1°C (55.6°F) in October to a frosty 7.5°C (45.5°F). Weather in November »Weather in December
December, the first month of the winter in Altenahr, is also an icy month, with an average temperature varying between 4.5°C (40.1°F) and 0.3°C (32.5°F). In Altenahr, the beginning of December is marked by a marginally lowered average high-temperature, shifting from November's chilly 7.5°C (45.5°F) to an icy 4.5°C (40.1°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, noted for its average high-temperature of 2.8°C (37°F) and an average low-temperature of -1.4°C (29.5°F), is considered the coldest month in Altenahr, Germany.
The months with the highest humidity in Altenahr are January, November and December, with an average relative humidity of 90%.
Throughout the year, in Altenahr, Germany, there are 184.8 rainfall days, and 575mm (22.64") of precipitation is accumulated.
Months with snowfall in Altenahr are January through May, October through December.
Throughout the year, in Altenahr, Germany, there are 50.4 snowfall days, and 511mm (20.12") of snow is accumulated.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Altenahr, Germany.
The month with the most snowfall in Altenahr, Germany, is February, when snow falls for 12.7 days and typically aggregates up to 142mm (5.59") of snow.
With an average relative humidity of 76%, April is the least humid month in Altenahr, Germany.
The months with the least rainfall are April and September Rain falls for 14.4 days and accumulates 34mm (1.34") of rain.
The months with the most rainfall are May and June, with an average 65mm (2.56") of precipitation.
In Altenahr, Germany, snow does not fall in June through September.
The month with the longest days in Altenahr is June, with an average of 16h and 24min of daylight.
June and July, with an average maximum UV index of 5, are months with the highest UV index in Altenahr.
Altenahr, Germany, experiences its highest temperatures in July, with an average peak of 22.3°C (72.1°F) and a low of 11.8°C (53.2°F).
The month with the most sunshine is July, with an average of 9.7h of sunshine.
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Altenahr, 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.
December has the shortest days of the year, with an average of 8h and 6min of daylight.
The month with the least sunshine in Altenahr, Germany, is December, with an average of 3.3h of sunshine.
Average temperature
Altenahr, Germany
The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is January (2.8°C).
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-1.4°C).
Average pressure
Altenahr, Germany
- Average pressure in January:
1017.1mbar - Average pressure in February:
1016.1mbar - Average pressure in March:
1016.4mbar - Average pressure in April:
1015.7mbar - Average pressure in May:
1016.1mbar - Average pressure in June:
1015.9mbar
- Average pressure in July:
1015.6mbar - Average pressure in August:
1015.9mbar - Average pressure in September:
1017.8mbar - Average pressure in October:
1017.4mbar - Average pressure in November:
1013.8mbar - Average pressure in December:
1017.6mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.8mbar).
Average wind speed
Altenahr, Germany
- Average wind speed in January:
13.5km/h - Average wind speed in February:
13.9km/h - Average wind speed in March:
13km/h - Average wind speed in April:
10.5km/h - Average wind speed in May:
10.2km/h - Average wind speed in June:
10km/h
- Average wind speed in July:
9.6km/h - Average wind speed in August:
9.1km/h - Average wind speed in September:
9.5km/h - Average wind speed in October:
11.1km/h - Average wind speed in November:
12.4km/h - Average wind speed in December:
14.1km/h
The windiest month (with the highest average wind speed) is December (14.1km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).
Average humidity
Altenahr, Germany
The months with the highest relative humidity are January, November and December (90%).
The month with the lowest relative humidity is April (76%).
Average rainfall
Altenahr, Germany
The wettest months (with the highest rainfall) are May and June (65mm).
The driest months (with the least rainfall) are April and September (34mm).
Average rainfall days
Altenahr, Germany
- Average rainfall days in January:
12.3 days - Average rainfall days in February:
9.5 days - Average rainfall days in March:
14 days - Average rainfall days in April:
14.4 days - Average rainfall days in May:
19.9 days - Average rainfall days in June:
19.1 days
- Average rainfall days in July:
20.6 days - Average rainfall days in August:
19.3 days - Average rainfall days in September:
13.4 days - Average rainfall days in October:
13.1 days - Average rainfall days in November:
14 days - Average rainfall days in December:
15.2 days
The month with the highest number of rainy days is July (20.6 days).
The month with the least rainy days is February (9.5 days).
Average snowfall
Altenahr, Germany
The month with the highest snowfall is February (142mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Altenahr, Germany
- Average snowfall days in January:
12.7 days - Average snowfall days in February:
12.7 days - Average snowfall days in March:
7.3 days - Average snowfall days in April:
1.7 days - Average snowfall days in May:
0.3 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:
0.7 days - Average snowfall days in November:
5.1 days - Average snowfall days in December:
9.9 days
The months with the highest number of snowfall days are January and February (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Altenahr, Germany
- Average daylight in January:
8h and 36min - Average daylight in February:
10h and 6min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 48min - Average daylight in May:
15h and 30min - Average daylight in June:
16h and 24min
- Average daylight in July:
15h and 54min - Average daylight in August:
14h and 30min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 42min - Average daylight in November:
9h and 0min - Average daylight in December:
8h and 6min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in January:
3h and 36min - Average sunshine in February:
3h and 54min - Average sunshine in March:
5h and 48min - Average sunshine in April:
8h and 30min - Average sunshine in May:
8h and 24min - Average sunshine in June:
9h and 6min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
9h and 30min - Average sunshine in September:
8h and 12min - Average sunshine in October:
5h and 24min - Average sunshine in November:
4h and 6min - Average sunshine in December:
3h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days
Altenahr, Germany
- Average sunshine days in January:
9.9 days - Average sunshine days in February:
9.6 days - Average sunshine days in March:
11.7 days - Average sunshine days in April:
12.5 days - Average sunshine days in May:
8.3 days - Average sunshine days in June:
7.5 days
- Average sunshine days in July:
8.3 days - Average sunshine days in August:
8.8 days - Average sunshine days in September:
12.9 days - Average sunshine days in October:
14.5 days - Average sunshine days in November:
11.4 days - Average sunshine days in December:
9.6 days
The month with the most sunshine days is October (14.5 days).
The month with the least sunshine days is June (7.5 days).
Average UV index
Altenahr, Germany
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Altenahr, Germany
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility
Altenahr, Germany
The months with the highest visibility are April and August (9km).
The months with the lowest visibility are January, October, November and December (7km).
