May weather forecast and climate
Rochester, United Kingdom

Weather in May

The last month of the spring, May, is another mild month in Rochester, United Kingdom, with average temperature varying between 8.3°C (46.9°F) and 15.7°C (60.3°F).

Temperature

In May, the average high-temperature is practically the same as in April - a still mild 15.7°C (60.3°F). In Rochester, the average low-temperature is 8.3°C (46.9°F).

Humidity

The average relative humidity in May is 80%.

Rainfall

In Rochester, during 14.2 rainfall days, 29mm (1.14") of precipitation is typically accumulated. Throughout the year, in Rochester, there are 174.7 rainfall days, and 446mm (17.56") of precipitation is accumulated.

Snowfall

In Rochester snow does not fall in April through October.

Daylight

The average length of the day in May is 15.6h.

Sunshine

In Rochester, the average sunshine in May is 8h.

UV index

In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 4 transform into the following instructions:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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.
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FAQ

What is the average humidity in May in Rochester?

The average relative humidity in May in Rochester, United Kingdom, is 80%.

How many days does it rain in May in Rochester?

In May, the rain falls for 14.2 days. Throughout May, 29mm (1.14") of precipitation is accumulated.

When it does not snow in Rochester?

In Rochester, United Kingdom, snow does not fall in April through October.

How many hours of daylight does Rochester have in May?

In Rochester, the average length of the day in May is 15.6h.

How long on average sun shines in May in Rochester?

In Rochester, United Kingdom, the average sunshine in May is 8h.

What is the UV index reading in May in Rochester?

In Rochester, United Kingdom, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to the UV radiation.

Average temperature in May
Rochester, United Kingdom

Average temperature in May - Rochester, United Kingdom
  • Average high temperature in May: 15.7°C

The warmest months (with the highest average high temperature) are July and August (21.3°C).
The month with the lowest average high temperature is January (6.8°C).

  • Average low temperature in May: 8.3°C

The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (2.8°C).

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Average pressure in May
Rochester, United Kingdom

Average pressure in May - Rochester, United Kingdom
  • Average pressure in May: 1016.9mbar

The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is November (1010.8mbar).

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Average wind speed in May
Rochester, United Kingdom

Average wind speed in May - Rochester, United Kingdom
  • Average wind speed in May: 14.6km/h

The windiest months (with the highest average wind speed) are February and December (19.6km/h).
The calmest month (with the lowest average wind speed) is July (14km/h).

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Average humidity in May
Rochester, United Kingdom

Average humidity in May - Rochester, United Kingdom
  • Average humidity in May: 80%

The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (75%).

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Average rainfall in May
Rochester, United Kingdom

Average rainfall in May - Rochester, United Kingdom
  • Average rainfall in May: 29mm

The wettest month (with the highest rainfall) is December (53mm).
The driest month (with the least rainfall) is April (24mm).

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Average rainfall days in May
Rochester, United Kingdom

Average rainfall days in May - Rochester, United Kingdom
  • Average rainfall days in May: 14.2 days

The month with the highest number of rainy days is November (17.5 days).
The month with the least rainy days is September (12 days).

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Average snowfall in May
Rochester, United Kingdom

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

The month with the highest snowfall is February (26mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in May
Rochester, United Kingdom

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

The month with the highest number of snowfall days is February (3.4 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Rochester, United Kingdom
  • Average daylight in May: 15.6h

The month with the longest days is June (Average daylight: 16.5h).
The month with the shortest days is December (Average daylight: 8h).

  • Average sunshine in May: 8h

Months with the most sunshine are July and August (Average sunshine: 8.7h).
The month with the least sunshine is February (Average sunshine: 3.7h).

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Average sunshine days in May
Rochester, United Kingdom

Average sunshine days in May - Rochester, United Kingdom
  • Average sunshine days in May: 13.4 days

The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is November (9.7 days).

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Average UV index in May
Rochester, United Kingdom

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

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in May
Rochester, United Kingdom

Average cloud cover in May - Rochester, United Kingdom
  • Average cloud cover in May: 47

The month with the most cloud cover is February (Cloud cover 60).
Months with the least cloud cover are August and September (Cloud cover 43).

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Average visibility in May
Rochester, United Kingdom

Average visibility in May - Rochester, United Kingdom
  • Average visibility in May: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).

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