May weather forecast
Oakville, CT

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Weather in May

May, the last month of the spring in Oakville, is a pleasant month, with temperature in the range of an average low of 48.9°F (9.4°C) and an average high of 68.2°F (20.1°C).

Temperature

May marks a rise in the average high-temperature, moving from April's mild 56.7°F (13.7°C) to a pleasant 68.2°F (20.1°C). Oakville experiences a nighttime temperature average of 48.9°F (9.4°C) during May.

Humidity

In May, the average relative humidity in Oakville is 75%.

Rainfall

In Oakville, in May, during 16.8 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. In Oakville, during the entire year, the rain falls for 158.5 days and collects up to 34.57" (878mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Oakville aggregates 0.16" (4mm) of snow. In Oakville, Connecticut, during the entire year, snow falls for 34.9 days and aggregates up to 20.35" (517mm) of snow.

Daylight

In May, the average length of the day is 14h and 33min.
On the first day of May, sunrise is at 5:47 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:20 am and sunset at 8:19 pm EDT.

Sunshine

The average sunshine in May in Oakville is 8.2h.

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 exposure to the Sun's UV rays for ordinary individuals.
Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Undertake protective steps - Preventing sun damage is advised. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Oakville in May?

In May, the average high-temperature and low-temperature in Oakville, Connecticut, are 68.2°F (20.1°C) and 48.9°F (9.4°C) respectively.

What is the average humidity in May in Oakville?

In May, the average relative humidity in Oakville is 75%.

How much does it rain in Oakville in May?

In Oakville, in May, during 16.8 rainfall days, 2.64" (67mm) of precipitation is typically accumulated.

What is the last month it snows in Oakville?

May is the last month it regularly snows in Oakville, Connecticut. During 0.1 snowfall days, in May, Oakville aggregates 0.16" (4mm) of snow.

How many hours of daylight does Oakville have in May?

In Oakville, Connecticut, the average day length in May is 14h and 33min.

When is the sunrise / sunset in May in Oakville?

In May, on the first day of the month, sunrise is at 5:47 am and sunset at 7:50 pm. On the last day of the month, in Oakville, Connecticut, sunrise is at 5:20 am and sunset at 8:19 pm EDT.

How long on average sun shines in May in Oakville?

The average sunshine duration in May is 8.2h.

What is the UV index intensity in May in Oakville?

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

Average temperature in May
Oakville, CT

Average temperature in May - Oakville, CT
  • Average high temperature in May: 68.2°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 (33.3°F).

  • Average low temperature in May: 48.9°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).

Average pressure in May
Oakville, CT

Average pressure in May - Oakville, CT
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in May
Oakville, CT

Average wind speed in May - Oakville, CT
  • Average wind speed in May: 6.4mph

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in May
Oakville, CT

Average humidity in May - Oakville, CT
  • Average humidity in May: 75%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (72%).

Average rainfall in May
Oakville, CT

Average rainfall in May - Oakville, CT
  • Average rainfall in May: 2.64"

The wettest month (with the highest rainfall) is December (3.78").
The driest month (with the least rainfall) is September (2.13").

Average rainfall days in May
Oakville, CT

Average rainfall days in May - Oakville, CT
  • Average rainfall days in May: 16.8 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in May
Oakville, CT

Average snowfall in May - Oakville, CT
  • Average snowfall in May: 0.16"

The month with the highest snowfall is February (5.39").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Oakville, CT

Average snowfall days in May - Oakville, CT
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Oakville, CT

Average daylight in May / Average sunshine in May - Oakville, CT
  • Average daylight in May: 14h and 3min

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

  • Average sunshine in May: 8h and 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in May
Oakville, CT

Average sunshine days in May - Oakville, CT
  • Average sunshine days in May: 12.5 days

The month with the most sunshine days is January (18.1 days).
The month with the least sunshine days is June (11.1 days).

Average UV index in May
Oakville, CT

Average UV index in May - Oakville, CT
  • Average UV index in May: 5

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

Average cloud cover in May
Oakville, CT

Average cloud cover in May - Oakville, CT
  • Average cloud cover in May: 49

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in May
Oakville, CT

Average visibility in May - Oakville, CT
  • Average visibility in May: 5mi

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

Oakville, Connecticut, USA

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