Keene
New Hampshire, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Keene, NH

May, the last month of the spring, in Keene, is a pleasant month, with temperature in the range of an average high of 71.2°F (21.8°C) and an average low of 43.5°F (6.4°C).

Temperature

In May, the average high-temperature rises, from a moderate 58.6°F (14.8°C) in April, to a pleasant 71.2°F (21.8°C). The average low-temperature, in May, is 43.5°F (6.4°C).

Rainfall

In Keene, during 13 rainfall days, 3.9" (99mm) of precipitation is typically accumulated. Throughout the year, in Keene, New Hampshire, there are 138 rainfall days, and 42.2" (1071mm) of precipitation is accumulated.

Daylight

In May, the average length of the day in Keene is 14.7h.

Sunshine

The average sunshine in May is 8h.

UV index

In May, the average daily maximum UV index in Keene is 7. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 7 interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in May in Keene?

In May, in Keene, the average high-temperature is 71.2°F (21.8°C), and the average low-temperature is 43.5°F (6.4°C).

How many days does it rain in May in Keene?

In Keene, New Hampshire, in May, during 13 rainfall days, 3.9" (99mm) of precipitation is typically accumulated.

What is the average length of the day in May in Keene?

In Keene, New Hampshire, the average length of the day in May is 14.7h.

How long on average sun shines in May in Keene?

In Keene, the average sunshine in May is 8h.

What is the UV index reading in May in Keene?

In Keene, New Hampshire, the average daily maximum UV index in May is 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to the UV radiation.
Average temperature in May - Keene, NH
  • Average high temperature in May: 71.2°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (32.2°F).

  • Average low temperature in May: 43.5°F

The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).

Average rainfall in May - Keene, NH
  • Average rainfall in May: 3.9"

Wettest months (with the highest rainfall) are May and August (3.9").
The driest month (with the lowest rainfall) is February (2.9").

Average rainfall days in May - Keene, NH
  • Average rainfall days in May: 13 days

Months with the highest number of rainy days are May, November and December (13 days).
Months with the lowest number of rainy days are February, July, September and October (10 days).

Average daylight in May / Average sunshine in May - Keene, NH
  • Average daylight in May: 14.7h

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

  • Average sunshine in May: 8h

Months with most sunshine are June and July (Average sunshine: 9h).
Months with least sunshine are November and December (Average sunshine: 4).

Average UV index in May - Keene, NH
  • Average UV index in May: 7

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January and December (UV index 1).