May weather forecast
Stratham, NH

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Weather in May

The last month of the spring, May, is an enjoyable month in Stratham, New Hampshire, with temperature in the range of an average high of 63.9°F (17.7°C) and an average low of 47.7°F (8.7°C).

Temperature

The onset of May brings a rise in the average high-temperature, elevating from a cool 53.1°F (11.7°C) in April to a refreshing 63.9°F (17.7°C). An average low-temperature of 47.7°F (8.7°C) is common in Stratham during the nights of May.

Humidity

In Stratham, the average relative humidity in May is 76%.

Rainfall

In Stratham, during May, the rain falls for 7.1 days and regularly aggregates up to 0.35" (9mm) of precipitation. Throughout the year, there are 71.7 rainfall days, and 5.28" (134mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Stratham.

Daylight

In May, the average length of the day is 14h and 41min.
On the first day of the month, sunrise is at 5:36 am and sunset at 7:45 pm. On the last day of May, sunrise is at 5:07 am and sunset at 8:15 pm EDT.

Sunshine

The average sunshine in May in Stratham is 8.2h.

UV index

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 5 during May leads to these advisories:
Ensure safety - Recommendations to avert sunburn are presented. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
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Frequently asked questions

What is the temperature in May in Stratham?

The high-temperature, in May, in Stratham, records 63.9°F (17.7°C), while the low-temperature is 47.7°F (8.7°C).

What is the average humidity in May in Stratham?

The average relative humidity in May is 76%.

How many days does it rain in May in Stratham?

In Stratham, during May, the rain falls for 7.1 days and regularly aggregates up to 0.35" (9mm) of precipitation.

When it does not snow in Stratham?

May through October are months without snowfall in Stratham, New Hampshire.

Does it snow in Stratham in May?

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

How many hours of daylight does Stratham have in May?

In May, the average day length in Stratham, New Hampshire, is 14h and 41min.

When are sunrise and sunset in May in Stratham?

On the first day of May in Stratham, New Hampshire, sunrise is at 5:36 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 5:07 am and sunset at 8:15 pm EDT.

How many hours of sunshine does Stratham have in May?

In Stratham, the average sunshine duration in May is 8.2h.

What is the UV index intensity in May in Stratham?

In Stratham, New Hampshire, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Stratham, NH

Average temperature in May - Stratham, NH
  • Average high temperature in May: 63.9°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (31.8°F).

  • Average low temperature in May: 47.7°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

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Average pressure in May
Stratham, NH

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

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in May
Stratham, NH

Average wind speed in May - Stratham, NH
  • Average wind speed in May: 7.4mph

The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in May
Stratham, NH

Average humidity in May - Stratham, NH
  • Average humidity in May: 76%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in May
Stratham, NH

Average rainfall in May - Stratham, NH
  • Average rainfall in May: 0.35"

The wettest month (with the highest rainfall) is November (0.63").
The driest month (with the least rainfall) is September (0.2").

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Average rainfall days in May
Stratham, NH

Average rainfall days in May - Stratham, NH
  • Average rainfall days in May: 7.1 days

The month with the highest number of rainy days is July (8.1 days).
The month with the least rainy days is February (3.3 days).

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Average snowfall in May
Stratham, NH

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

The month with the highest snowfall is December (0.75").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Stratham, NH

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

The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Stratham, 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 1min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in May
Stratham, NH

Average sunshine days in May - Stratham, NH
  • Average sunshine days in May: 22 days

The month with the most sunshine days is December (24.5 days).
The month with the least sunshine days is July (19.8 days).

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Average UV index in May
Stratham, NH

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

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

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Average cloud cover in May
Stratham, NH

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

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in May
Stratham, NH

Average visibility in May - Stratham, NH
  • Average visibility in May: 6mi

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

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Stratham, New Hampshire, USA

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