January weather forecast and climate
Grafton, ND

January, like December, is a freezing cold winter month in Grafton, North Dakota, with temperature in the range of an average low of 0.9°F (-17.3°C) and an average high of 14.7°F (-9.6°C).

Temperature

The coldest month is January, with an average high-temperature of 14.7°F (-9.6°C) and an average low-temperature of 0.9°F (-17.3°C).

Humidity

January is the most humid month in Grafton, with an average relative humidity of 91%.

Rainfall

January and February are months with the least rain in Grafton when the rain falls for 2.9 days and typically aggregates up to 0.55" (14mm) of rain.

Snowfall

Months with snowfall are January through May, October through December. In January, it is snowing for 14.7 days. Throughout January, 3.23" (82mm) of snow is accumulated. Throughout the year, there are 70.4 snowfall days, and 18.46" (469mm) of snow is accumulated.

Daylight

In Grafton, the average length of the day is 8.9h.

Sunshine

January has the least sunshine of the year, with an average of 3.2h of sunshine.

UV index

Months with the lowest UV index are January, February and November, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 1 in January transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the coldest month in Grafton?

The coldest month in Grafton, North Dakota, is January, with an average high-temperature of 14.7°F (-9.6°C) and an average low-temperature of 0.9°F (-17.3°C).

What is the temperature in January in Grafton?

In January, in Grafton, North Dakota, the average high-temperature is 14.7°F (-9.6°C), and the average low-temperature is 0.9°F (-17.3°C).

What is the most humid month in Grafton?

January is the most humid month, with an average relative humidity of 91%.

What is the average humidity in January in Grafton?

In Grafton, the average relative humidity in January is 91%.

How much does it rain in Grafton in January?

In January, in Grafton, North Dakota, the rain falls for 2.9 days. Throughout January, 0.55" (14mm) of precipitation is accumulated.

What is the driest month in Grafton?

January and February are months with the least rain in Grafton when the rain falls for 2.9 days and typically aggregates up to 0.55" (14mm) of rain.

How much does it snow in Grafton in January?

In January, in Grafton, it is snowing for 14.7 days. Throughout January, 3.23" (82mm) of snow is accumulated.

How many hours of daylight does Grafton have in January?

In Grafton, the average length of the day in January is 8.9h.

What is the month with the least sunshine in Grafton?

The month with the least sunshine in Grafton, North Dakota, is January, with an average of 3.2h of sunshine.

How long on average sun shines in January in Grafton?

The average sunshine in January in Grafton, North Dakota, is 3.2h.

What are the months with the lowest UV index in Grafton?

Months with the lowest UV index are January, February and November, with an average maximum UV index of 1.

What is the UV index reading in January in Grafton?

In Grafton, North Dakota, the average daily maximum UV index in January is 1. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to the Sun's UV rays.
Average temperature in January - Grafton, ND
  • Average high temperature in January: -9.6°C

The warmest month (with the highest average high temperature) is August (26.9°C).
The month with the lowest average high temperature is January (-9.6°C).

  • Average low temperature in January: -17.3°C

The month with the highest average low temperature is July (15.5°C).
The coldest month (with the lowest average low temperature) is January (-17.3°C).

Average pressure in January - Grafton, ND
  • Average pressure in January: 1020.5mbar

The month with the highest atmospheric pressure is February (1021.5mbar).
The month with the lowest atmospheric pressure is June (1010.9mbar).

Average wind speed in January - Grafton, ND
  • Average wind speed in January: 16.1km/h

The windiest month (with the highest average wind speed) is October (17km/h).
The calmest months (with the lowest average wind speed) are July and August (13.1km/h).

Average humidity in January - Grafton, ND
  • Average humidity in January: 91%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (59%).

Average rainfall in January - Grafton, ND
  • Average rainfall in January: 14mm

The wettest month (with the highest rainfall) is June (71mm).
The driest months (with the least rainfall) are January and February (14mm).

Average rainfall days in January - Grafton, ND
  • Average rainfall days in January: 2.9 days

The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (1.6 days).

Average snowfall in January - Grafton, ND
  • Average snowfall in January: 82mm

The month with the highest snowfall is December (100mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in January - Grafton, ND
  • Average snowfall days in January: 14.7 days

The month with the highest number of snowfall days is January (14.7 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January / Average sunshine in January - Grafton, ND
  • Average daylight in January: 8.9h

The month with the longest days is June (Average daylight: 16h).
The month with the shortest days is December (Average daylight: 8.4h).

  • Average sunshine in January: 3.2h

The month with the most sunshine is July (Average sunshine: 11h).
The month with the least sunshine is January (Average sunshine: 3.2h).

Average sunshine days in January - Grafton, ND
  • Average sunshine days in January: 15.8 days

The month with the most sunshine days is August (19.8 days).
The month with the least sunshine days is June (11.5 days).

Average UV index in January - Grafton, ND
  • Average UV index in January: 1

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, February and November (UV index 1).

Average cloud cover in January - Grafton, ND
  • Average cloud cover in January: 65

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in January - Grafton, ND
  • Average visibility in January: 8km

Months with the highest visibility are May, July, August and September (10km).
Months with the lowest visibility are January, February, March and December (8km).