January weather forecast
Greenville, NH

Weather in January

January, like December, is another subzero cold winter month in Greenville, New Hampshire, with average temperature fluctuating between 28.6°F (-1.9°C) and 16°F (-8.9°C).

Temperature

January is the coldest month, with an average high-temperature of 28.6°F (-1.9°C) and an average low-temperature of 16°F (-8.9°C).

Humidity

In Greenville, New Hampshire, the average relative humidity in January is 83%.

Rainfall

In Greenville, New Hampshire, during January, the rain falls for 4.9 days and regularly aggregates up to 0.79" (20mm) of precipitation. Throughout the year, in Greenville, there are 113.8 rainfall days, and 12.44" (316mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Greenville. In Greenville, in January, during 9 snowfall days, 3.15" (80mm) of snow is typically accumulated. Throughout the year, in Greenville, there are 45.3 snowfall days, and 18.78" (477mm) of snow is accumulated.

Daylight

The average length of the day in January is 9.5h.

Sunshine

The average sunshine in Greenville, New Hampshire, is 4.8h.

UV index

Months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 2 interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. 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.
[Resources]

FAQ

What is the coldest month in Greenville?

January is the coldest month in Greenville, with an average high-temperature of 28.6°F (-1.9°C) and an average low-temperature of 16°F (-8.9°C).

What is the average humidity in January in Greenville?

In Greenville, New Hampshire, the average relative humidity in January is 83%.

How much does it rain in Greenville in January?

In Greenville, New Hampshire, during January, the rain falls for 4.9 days and regularly aggregates up to 0.79" (20mm) of precipitation.

How many days does it snow in January in Greenville?

In Greenville, in January, snow falls for 9 days, with typically accumulated 3.15" (80mm) of snow.

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

In Greenville, the average length of the day in January is 9.5h.

How long on average sun shines in January in Greenville?

In Greenville, the average sunshine in January is 4.8h.

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

Months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2.

What is the UV index intensity in January in Greenville?

In Greenville, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health threat from unsafe exposure to the Sun's UV rays.

Average temperature in January
Greenville, NH

Average temperature in January - Greenville, NH
  • Average high temperature in January: 28.6°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.6°F).

  • Average low temperature in January: 16°F

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (16°F).

[Resources]

Average pressure in January
Greenville, NH

Average pressure in January - Greenville, NH
  • Average pressure in January: 30.01"

The month with the highest atmospheric pressure is November (30.07").
The month with the lowest atmospheric pressure is June (29.92").

[Resources]

Average wind speed in January
Greenville, NH

Average wind speed in January - Greenville, NH
  • Average wind speed in January: 8.4mph

The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

[Resources]

Average humidity in January
Greenville, NH

Average humidity in January - Greenville, NH
  • Average humidity in January: 83%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (73%).

[Resources]

Average rainfall in January
Greenville, NH

Average rainfall in January - Greenville, NH
  • Average rainfall in January: 0.79"

The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is September (0.71").

[Resources]

Average rainfall days in January
Greenville, NH

Average rainfall days in January - Greenville, NH
  • Average rainfall days in January: 4.9 days

The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is February (4.2 days).

[Resources]

Average snowfall in January
Greenville, NH

Average snowfall in January - Greenville, NH
  • Average snowfall in January: 3.15"

The month with the highest snowfall is November (3.9").
Months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in January
Greenville, NH

Average snowfall days in January - Greenville, NH
  • Average snowfall days in January: 9 days

The month with the highest number of snowfall days is February (9.7 days).
Months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight in January /
Average sunshine in January
Greenville, NH

Average daylight in January / Average sunshine in January - Greenville, NH
  • Average daylight in January: 9.5h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in January: 4.8h

The month with the most sunshine is August (Average sunshine: 10.2h).
The month with the least sunshine is February (Average sunshine: 4.4h).

[Resources]

Average sunshine days in January
Greenville, NH

Average sunshine days in January - Greenville, NH
  • Average sunshine days in January: 20.3 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is June (14.3 days).

[Resources]

Average UV index in January
Greenville, NH

Average UV index in January - Greenville, NH
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, February, March, October, November and December (UV index 2).

[Resources]

Average cloud cover in January
Greenville, NH

Average cloud cover in January - Greenville, NH
  • Average cloud cover in January: 48

The month with the most cloud cover is March (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 36).

[Resources]

Average visibility in January
Greenville, NH

Average visibility in January - Greenville, NH
  • Average visibility in January: 5mi

The month with the highest visibility is April (6mi).
Months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location