May weather forecast
Keene, NH

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Weather in May

May ushers Keene into consistent spring weather, characterized by reasonably warm temperatures and more dependable solar exposure. With temperatures climbing from the previous month, the city encounters pleasant weather, allowing for various outdoor activities to flourish. A distinct decrease in wind speeds on record coincides with a consistent increase in daylight and sunshine hours. The change in weather conditions invites a lively atmosphere filled with vibrant color and natural growth. May's weather becomes the definitive mark of a swift but graceful transition to the approaching summer.

Temperature

May's onset is marked by a temperature increase, moving from a cool 52.9°F (11.6°C) in April to an enjoyable 66°F (18.9°C). Throughout May, an average low-temperature of 45.3°F (7.4°C) is experienced.

Humidity

In Keene, the average relative humidity in May is 75%.

Rainfall

In Keene, in May, during 14.6 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. Throughout the year, there are 125.1 rainfall days, and 11.69" (297mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Keene aggregates 0.16" (4mm) of snow. In Keene, during the entire year, snow falls for 39.8 days and aggregates up to 10.2" (259mm) of snow.

Daylight

In May, the average length of the day is 14h and 40min.
On the first day of the month, sunrise is at 5:41 am and sunset at 7:50 pm. On the last day of May, sunrise is at 5:12 am and sunset at 8:20 pm EDT.

Sunshine

The average sunshine in May is 8.4h.

UV index

In Keene, New Hampshire, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In May, a regular UV index of 5 translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. Minimize direct exposure to the Sun during midday when its radiation is at its peak. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.

Frequently asked questions

What is the usual temperature for Keene in May?

An average high-temperature, in May, in Keene, is 66°F (18.9°C) and the average low-temperature is 45.3°F (7.4°C).

What is the average humidity in May?

In May, the average relative humidity is 75%.

How much does it rain in Keene in May?

In Keene, in May, during 14.6 rainfall days, 1.14" (29mm) of precipitation is typically accumulated.

What is the last month it snows in Keene?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Keene aggregates 0.16" (4mm) of snow.

What is the average length of the day in May?

In May, the average day length is 14h and 40min.

What time are sunrise and sunset in May in Keene?

On the first day of May, sunrise is at 5:41 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:12 am and sunset at 8:20 pm EDT.

How long on average sun shines in May?

The average sunshine duration in May is 8.4h.

How high is the UV index in May?

In Keene, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate 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 May
Keene, NH

Average temperature in May - Keene, NH
  • Average high temperature in May: 66°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in May: 45.3°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

Average pressure in May
Keene, NH

Average pressure in May - Keene, NH
  • Average pressure in May: 30"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in May
Keene, NH

Average wind speed in May - Keene, NH
  • Average wind speed in May: 6.4mph

The windiest months (with the highest average wind speed) are January, February and March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in May
Keene, NH

Average humidity in May - Keene, NH
  • Average humidity in May: 75%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).

Average rainfall in May
Keene, NH

Average rainfall in May - Keene, NH
  • Average rainfall in May: 1.14"

The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is March (0.75").

Average rainfall days in May
Keene, NH

Average rainfall days in May - Keene, NH
  • Average rainfall days in May: 14.6 days

The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in May
Keene, NH

Average snowfall in May - Keene, NH
  • Average snowfall in May: 0.16"

The month with the highest snowfall is January (2.64").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Keene, NH

Average snowfall days in May - Keene, NH
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Keene, NH

Average daylight in May / Average sunshine in May - Keene, NH
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in May: 8h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in May
Keene, NH

Average sunshine days in May - Keene, NH
  • Average sunshine days in May: 13.8 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (13.8 days).

Average UV index in May
Keene, NH

Average UV index in May - Keene, NH
  • Average UV index in May: 5

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

Average cloud cover in May
Keene, NH

Average cloud cover in May - Keene, NH
  • Average cloud cover in May: 47

The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in May
Keene, NH

Average visibility in May - Keene, NH
  • Average visibility in May: 5mi

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

Keene, New Hampshire, USA

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