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

May weather forecast and climate
Manchester, NH

The colorful buildings in the city of Manchester, New Hampshire, right next to scenic trees on the seashore, a beautiful glass image in the river below
The colorful buildings in the city of Manchester, New Hampshire, right next to scenic trees on the seashore, a beautiful glass image in the river below
May, the last month of the spring, in Manchester, is an agreeable month, with temperature in the range of an average high of 68.7°F (20.4°C) and an average low of 47.5°F (8.6°C).

Temperature

In May, the average high-temperature rises, from a moderate 57.6°F (14.2°C) in April, to an agreeable 68.7°F (20.4°C). The average low-temperature, in Manchester, is 47.5°F (8.6°C).

Rainfall

In Manchester, New Hampshire, during 11 rainfall days, 4.1" (102.9mm) of precipitation is typically accumulated. Throughout the year, there are 120.5 rainfall days, and 44.6" (1132.4mm) of precipitation is accumulated.

Snowfall

In May, in Manchester, it doesn't snow. April is the latest month when it typically snows. In Manchester, New Hampshire, during the entire year, snow aggregates up to 46.7" (1186.3mm).

Daylight

The average length of the day in Manchester is 14.7h.

Sunshine

The average sunshine in May is 8h.

UV index

In Manchester, the average daily maximum UV index in May is 7. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to the Sun's UV rays for the average person.
The average daily UV index of 7 transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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 Manchester?

The average high-temperature, in May, in Manchester, New Hampshire, is 68.7°F (20.4°C), while the average low-temperature is 47.5°F (8.6°C).

How many days does it rain in May in Manchester?

In Manchester, New Hampshire, in May, it is raining for 11 days, with typically 4.1" (102.9mm) of accumulated precipitation.

Does it snow in Manchester in May?

In May, it doesn't snow. April is the latest month when it typically snows.

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

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

How long on average sun shines in May in Manchester?

The average sunshine in May in Manchester, New Hampshire, is 8h.

What is the UV index intensity in May in Manchester?

In Manchester, New Hampshire, the average daily maximum UV index in May is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in May - Manchester, NH
  • Average high temperature in May: 68.7°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.1°F).

  • Average low temperature in May: 47.5°F

The month with the highest average low temperature is July (62.7°F).
The coldest month (with the lowest average low temperature) is January (15.7°F).

Average rainfall in May - Manchester, NH
  • Average rainfall in May: 4.1"

The wettest month (with the highest rainfall) is March (4.3").
The driest month (with the lowest rainfall) is February (2.8").

Average rainfall days in May - Manchester, NH
  • Average rainfall days in May: 11 days

The month with the highest number of rainy days is April (11.2 days).
The month with the lowest number of rainy days is February (8 days).

Average snowfall in May - Manchester, NH
  • Average snowfall in May: 0"

The month with the highest snowfall is January (14.4").
Months with the lowest snowfall are May, June, July, August, September and October (0").

Average snowfall days in May - Manchester, NH
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (5.2 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average daylight in May / Average sunshine in May - Manchester, 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

The month with most sunshine is July (Average sunshine: 10h).
Months with least sunshine are November and December (Average sunshine: 4).

Average UV index in May - Manchester, 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).