January weather forecast
Mainz, Germany

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Weather in January

Beginning the year with the influence of the winter season, the weather in January experiences cool temperatures. As the coldest month temperatures range from a low of -0.5°C (31.1°F) to a high of 3.7°C (38.7°F). The presence of 28mm (1.1") of snowfall in January further reinforces the chill of the winter season. With relatively high levels of relative humidity and consistent rainfall, the city's landscape takes on a distinctly wintery appearance. This period also sees fewer daylight hours, leading to shorter days and longer, colder nights.

Temperature

January is the month that records the lowest temperatures in Mainz, Germany, with averages ranging from a high of 3.7°C (38.7°F) to a low of -0.5°C (31.1°F).

Humidity

In January, the average relative humidity is 86%.

Rainfall

In Mainz, in January, during 11.8 rainfall days, 27mm (1.06") of precipitation is typically accumulated. Throughout the year, in Mainz, there are 146.5 rainfall days, and 366mm (14.41") of precipitation is accumulated.

Snowfall

Months with snowfall in Mainz, Germany, are January through April, November and December. In Mainz, in January, snow falls for 5.3 days, with typically accumulated 28mm (1.1") of snow. In Mainz, during the entire year, snow falls for 17.5 days and aggregates up to 119mm (4.69") of snow.

Daylight

In January, the average length of the day is 8h and 39min.
On the first day of January in Mainz, sunrise is at 08:25 and sunset at 16:35. On the last day of the month, sunrise is at 08:02 and sunset at 17:18 CET.

Sunshine

In Mainz, the average sunshine in January is 3.8h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

What are the coldest months in Mainz?

Mainz's coldest temperatures are experienced in January, with average high temperatures of 3.7°C (38.7°F) and lows of -0.5°C (31.1°F).

How cold does it get in Mainz in January?

In January, in Mainz, the average high-temperature is 3.7°C (38.7°F), and the average low-temperature is -0.5°C (31.1°F).

What is the average humidity in January in Mainz?

In January, the average relative humidity in Mainz, Germany, is 86%.

How many days does it rain in January in Mainz?

In Mainz, Germany, in January, during 11.8 rainfall days, 27mm (1.06") of precipitation is typically accumulated.

How many days does it snow in January in Mainz?

In January, it is snowing for 5.3 days. Throughout January, 28mm (1.1") of snow is accumulated.

What is the average length of the day in January in Mainz?

The average day length in January is 8h and 39min.

What time are sunrise and sunset in January in Mainz?

On the first day of January in Mainz, sunrise is at 08:25 and sunset at 16:35. On the last day of the month, sunrise is at 08:02 and sunset at 17:18 CET.

How long on average sun shines in January in Mainz?

The average sunshine duration in January in Mainz, Germany, is 3.8h.

What is the month with the lowest UV index in Mainz?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in January in Mainz?

In Mainz, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Mainz, Germany

Average temperature in January - Mainz, Germany
  • Average high temperature in January: 3.7°C

The warmest month (with the highest average high temperature) is July (25.2°C).
The month with the lowest average high temperature is January (3.7°C).

  • Average low temperature in January: -0.5°C

The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-0.5°C).

Average pressure in January
Mainz, Germany

Average pressure in January - Mainz, Germany
  • Average pressure in January: 1017.7mbar

The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1014.5mbar).

Average wind speed in January
Mainz, Germany

Average wind speed in January - Mainz, Germany
  • Average wind speed in January: 11.2km/h

The windiest months (with the highest average wind speed) are February and March (11.9km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).

Average humidity in January
Mainz, Germany

Average humidity in January - Mainz, Germany
  • Average humidity in January: 86%

The month with the highest relative humidity is December (87%).
The months with the lowest relative humidity are July and August (67%).

Average rainfall in January
Mainz, Germany

Average rainfall in January - Mainz, Germany
  • Average rainfall in January: 27mm

The wettest month (with the highest rainfall) is July (45mm).
The driest month (with the least rainfall) is April (19mm).

Average rainfall days in January
Mainz, Germany

Average rainfall days in January - Mainz, Germany
  • Average rainfall days in January: 11.8 days

The month with the highest number of rainy days is July (14.7 days).
The months with the least rainy days are February and September (9.6 days).

Average snowfall in January
Mainz, Germany

Average snowfall in January - Mainz, Germany
  • Average snowfall in January: 28mm

The month with the highest snowfall is February (39mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in January
Mainz, Germany

Average snowfall days in January - Mainz, Germany
  • Average snowfall days in January: 5.3 days

The month with the highest number of snowfall days is February (5.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Mainz, Germany

Average daylight in January / Average sunshine in January - Mainz, Germany
  • Average daylight in January: 8h and 4min

The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).

  • Average sunshine in January: 3h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).

Average sunshine days in January
Mainz, Germany

Average sunshine days in January - Mainz, Germany
  • Average sunshine days in January: 13.8 days

The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is December (12 days).

Average UV index in January
Mainz, Germany

Average UV index in January - Mainz, Germany
  • Average UV index in January: 2

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 2).

Average cloud cover in January
Mainz, Germany

Average cloud cover in January - Mainz, Germany
  • Average cloud cover in January: 62

The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in January
Mainz, Germany

Average visibility in January - Mainz, Germany
  • Average visibility in January: 8km

The months with the highest visibility are March, April, May, June, July, August and September (9km).
The months with the lowest visibility are January, February, October, November and December (8km).

Mainz, Germany

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