Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average sea temperature in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
Osterville in May denotes a subtle temperature transition, adjusting from an average high of a chilly 47.1°F (8.4°C) in April to a moderate 55.4°F (13°C). Osterville encounters an average temperature dip to a fresh 50.9°F (10.5°C) throughout May, subtly lower than its daytime maximum.Humidity
In Osterville, the average relative humidity in May is 83%.Rainfall
In Osterville, during May, the rain falls for 14.9 days and regularly aggregates up to 2.2" (56mm) of precipitation. In Osterville, during the entire year, the rain falls for 157.2 days and collects up to 31.77" (807mm) of precipitation.Snowfall
May through November are months without snowfall.Ocean temperature
In Osterville, the average seawater temperature in May is 49.1°F (9.5°C).Note: If planning to swim in 49.1°F (9.5°C) under 50°F (10°C), wear a protective suit. Neglecting this advice might cause immediate cold shock and troubled breathing. A splash around 55.4°F (13°C) is not much warmer.
Daylight
In Osterville, the average length of the day in May is 14h and 33min.On the first day of May, sunrise is at 5:37 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 5:09 am and sunset at 8:09 pm EDT.
Sunshine
In May, the average sunshine in Osterville is 8.7h.UV index
The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In May, the average maximum UV index of 4 translates into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How much does it rain in Osterville in May?
When it does not snow?
Does it snow in May?
How cold is the water in May?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Osterville have in May?
What is the UV index intensity in May?
Average temperature in May
Osterville, MA
- Average high temperature in May: 55.4°F
The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in May: 50.9°F
The month with the highest average low temperature is August (68.2°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in May
Osterville, MA
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Osterville, MA
- Average wind speed in May: 12.2mph
The windiest month (with the highest average wind speed) is January (16.5mph).
The calmest month (with the lowest average wind speed) is August (10.6mph).
Average humidity in May
Osterville, MA
- Average humidity in May: 83%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is November (74%).
Average rainfall in May
Osterville, MA
- Average rainfall in May: 2.2"
The wettest month (with the highest rainfall) is October (3.7").
The driest month (with the least rainfall) is August (1.73").
Average rainfall days in May
Osterville, MA
- Average rainfall days in May: 14.9 days
The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in May
Osterville, MA
- Average snowfall in May: 0"
The month with the highest snowfall is March (1.93").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in May
Osterville, MA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (7.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in May
Osterville, MA
- Average sea temperature in May: 49.2°F
The best month for swimming (with the highest average sea temperature) is August (67.5°F).
The coldest month (with the lowest average sea temperature) is March (39°F).
Average daylight in May /
Average sunshine in May
Osterville, MA
- 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 4min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in May
Osterville, MA
- Average sunshine days in May: 14.3 days
The month with the most sunshine days is August (17.7 days).
The month with the least sunshine days is February (11.4 days).
Average UV index in May
Osterville, MA
- Average UV index in May: 4
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).
Average cloud cover in May
Osterville, MA
- Average cloud cover in May: 43
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in May
Osterville, MA
- 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).
Osterville, Massachusetts, USA
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