May weather forecast
Penzance, United Kingdom

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Weather in May

May, the last month of the spring in Penzance, is another cool month, with temperature in the range of an average low of 11°C (51.8°F) and an average high of 12.7°C (54.9°F).

Temperature

With May's advent, Penzance sees an average high-temperature of a still cool 12.7°C (54.9°F), subtly shifted from April's 10.8°C (51.4°F). Penzance marks an average drop to a still cool 11°C (51.8°F) during nighttime in May, following the high of the day.

Humidity

In Penzance, United Kingdom, the average relative humidity in May is 83%.

Rainfall

The month with the least rainfall is May, when the rain falls for 9.3 days and typically collects 10mm (0.39") of precipitation.

Snowfall

February through December are months without snowfall in Penzance.

Sea temperature

In Penzance, in May, the average water temperature is 12°C (53.6°F).
Note: Swimming in 12°C (53.6°F) feels unbearing at 13°C (55.4°F) and can be life-risking below 10°C (50°F), causing breathing issues and cold shock, depending on a person's capacity.

Daylight

In Penzance, United Kingdom, the average length of the day in May is 15h and 27min.
On the first day of the month, sunrise is at 5:56 am and sunset at 8:41 pm. On the last day of May, sunrise is at 5:17 am and sunset at 9:22 pm BST.

Sunshine

In Penzance, the average sunshine in May is 8.5h.

UV index

In May, the average daily maximum UV index in Penzance is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: During May, 4 as the daily maximum UV index converts into the following advice:
Act with care - The suggestion to avoid sunburn is emphasized. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.

Frequently asked questions

What are the temperatures in Penzance in May?

The high-temperature in Penzance, United Kingdom, during May is 12.7°C (54.9°F) and the low-temperature is 11°C (51.8°F).

What is the average humidity in May in Penzance?

In May, the average relative humidity in Penzance, United Kingdom, is 83%.

What is the driest month in Penzance?

The month with the least rainfall in Penzance is May, when the rain falls for 9.3 days and typically collects 10mm (0.39") of precipitation.

How many days does it rain in May in Penzance?

In Penzance, in May, during 9.3 rainfall days, 10mm (0.39") of precipitation is typically accumulated.

When it does not snow in Penzance?

February through December are months without snowfall in Penzance, United Kingdom.

What is the sea water temperature in May in Penzance?

In Penzance, United Kingdom, in May, the average water temperature is 12°C (53.6°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

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

In May, the average day length is 15h and 27min.

When is the sunrise / sunset in May in Penzance?

On the first day of May in Penzance, sunrise is at 5:56 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 9:22 pm BST.

How many hours of sunshine does Penzance have in May?

The average sunshine duration in May is 8.5h.

What is the UV index intensity in May in Penzance?

The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in May
Penzance, United Kingdom

Average temperature in May - Penzance, United Kingdom
  • Average high temperature in May: 12.7°C

The warmest month (with the highest average high temperature) is August (17.4°C).
The month with the lowest average high temperature is February (9.4°C).

  • Average low temperature in May: 11°C

The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is February (7.3°C).

Average pressure in May
Penzance, United Kingdom

Average pressure in May - Penzance, United Kingdom
  • Average pressure in May: 1017.3mbar

The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).

Average wind speed in May
Penzance, United Kingdom

Average wind speed in May - Penzance, United Kingdom
  • Average wind speed in May: 22.5km/h

The windiest month (with the highest average wind speed) is December (34.4km/h).
The calmest month (with the lowest average wind speed) is July (21.9km/h).

Average humidity in May
Penzance, United Kingdom

Average humidity in May - Penzance, United Kingdom
  • Average humidity in May: 83%

The month with the highest relative humidity is June (85%).
The months with the lowest relative humidity are January, February, November and December (79%).

Average rainfall in May
Penzance, United Kingdom

Average rainfall in May - Penzance, United Kingdom
  • Average rainfall in May: 10mm

The wettest month (with the highest rainfall) is November (36mm).
The driest month (with the least rainfall) is May (10mm).

Average rainfall days in May
Penzance, United Kingdom

Average rainfall days in May - Penzance, United Kingdom
  • Average rainfall days in May: 9.3 days

The month with the highest number of rainy days is November (16.3 days).
The month with the least rainy days is June (9.2 days).

Average snowfall in May
Penzance, United Kingdom

Average snowfall in May - Penzance, United Kingdom
  • Average snowfall in May: 0mm

The month with the highest snowfall is January (1mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in May
Penzance, United Kingdom

Average snowfall days in May - Penzance, United Kingdom
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average sea temperature in May
Penzance, United Kingdom

Average sea temperature in May - Penzance, United Kingdom
  • Average sea temperature in May: 12°C

The best month for swimming (with the highest average sea temperature) is August (17.1°C).
The coldest month (with the lowest average sea temperature) is March (9.7°C).

Average daylight in May /
Average sunshine in May
Penzance, United Kingdom

Average daylight in May / Average sunshine in May - Penzance, United Kingdom
  • Average daylight in May: 15h and 3min

The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).

  • Average sunshine in May: 8h and 3min

The month with the most sunshine is April (Average sunshine: 8h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).

Average sunshine days in May
Penzance, United Kingdom

Average sunshine days in May - Penzance, United Kingdom
  • Average sunshine days in May: 19.2 days

The month with the most sunshine days is May (19.2 days).
The month with the least sunshine days is November (9.7 days).

Average UV index in May
Penzance, United Kingdom

Average UV index in May - Penzance, United Kingdom
  • Average UV index in May: 4

The month with the highest UV index is August (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).

Average cloud cover in May
Penzance, United Kingdom

Average cloud cover in May - Penzance, United Kingdom
  • Average cloud cover in May: 45

The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 42).

Average visibility in May
Penzance, United Kingdom

Average visibility in May - Penzance, United Kingdom
  • Average visibility in May: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

Penzance, United Kingdom

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