May weather forecast
Hatfield, MA

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Weather in May

May, the last month of the spring in Hatfield, is a comfortable month, with temperature in the range of an average low of 47.5°F (8.6°C) and an average high of 67.6°F (19.8°C).

Temperature

As Hatfield welcomes May, the average high-temperature sees a rise, transitioning from a cool 55°F (12.8°C) in April to an enjoyable 67.6°F (19.8°C). Hatfield observes an average low-temperature of 47.5°F (8.6°C) during May nights.

Humidity

In May, the average relative humidity is 74%.

Rainfall

In Hatfield, in May, it is raining for 13.9 days, with typically 1.38" (35mm) of accumulated precipitation. In Hatfield, during the entire year, the rain falls for 134.1 days and collects up to 14.84" (377mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Hatfield aggregates 0.08" (2mm) of snow. In Hatfield, during the entire year, snow falls for 28.6 days and aggregates up to 6.5" (165mm) of snow.

Daylight

In Hatfield, the average length of the day in May is 14h and 37min.
On the first day of May in Hatfield, sunrise is at 5:44 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:16 am and sunset at 8:20 pm EDT.

Sunshine

In Hatfield, the average sunshine in May is 8.6h.

UV index

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The UV index of 5 in May translates into these instructions:
Act with care - The suggestion to avoid sunburn is emphasized. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.

Frequently asked questions

What is the temperature in May?

An average high-temperature, in May, in Hatfield, is 67.6°F (19.8°C) and the average low-temperature is 47.5°F (8.6°C).

What is the average humidity in May?

In May, the average relative humidity is 74%.

How much does it rain in May?

In Hatfield, in May, it is raining for 13.9 days, with typically 1.38" (35mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Hatfield aggregates 0.08" (2mm) of snow.

How many hours of daylight does Hatfield have in May?

In May, the average day length is 14h and 37min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 5:44 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:16 am and sunset at 8:20 pm EDT.

How many hours of sunshine does Hatfield have in May?

In Hatfield, the average sunshine duration in May is 8.6h.

How high is the UV index in May?

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from 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
Hatfield, MA

Average temperature in May - Hatfield, MA
  • Average high temperature in May: 67.6°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (30.4°F).

  • Average low temperature in May: 47.5°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in May
Hatfield, MA

Average pressure in May - Hatfield, MA
  • 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
Hatfield, MA

Average wind speed in May - Hatfield, MA
  • Average wind speed in May: 6.3mph

The windiest months (with the highest average wind speed) are January, February and March (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in May
Hatfield, MA

Average humidity in May - Hatfield, MA
  • Average humidity in May: 74%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (72%).

Average rainfall in May
Hatfield, MA

Average rainfall in May - Hatfield, MA
  • Average rainfall in May: 1.38"

The wettest month (with the highest rainfall) is October (1.61").
The driest month (with the least rainfall) is February (0.91").

Average rainfall days in May
Hatfield, MA

Average rainfall days in May - Hatfield, MA
  • Average rainfall days in May: 13.9 days

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (8.5 days).

Average snowfall in May
Hatfield, MA

Average snowfall in May - Hatfield, MA
  • Average snowfall in May: 0.08"

The month with the highest snowfall is February (1.85").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in May
Hatfield, MA

Average snowfall days in May - Hatfield, MA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Hatfield, MA

Average daylight in May / Average sunshine in May - Hatfield, MA
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in May: 8h and 4min

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in May
Hatfield, MA

Average sunshine days in May - Hatfield, MA
  • Average sunshine days in May: 14.3 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (13.7 days).

Average UV index in May
Hatfield, MA

Average UV index in May - Hatfield, MA
  • Average UV index in May: 5

The months with the highest UV index are June and 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
Hatfield, MA

Average cloud cover in May - Hatfield, MA
  • Average cloud cover in May: 45

The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in May
Hatfield, MA

Average visibility in May - Hatfield, MA
  • Average visibility in May: 5mi

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

Hatfield, Massachusetts, USA

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