May weather forecast and climate
Olcott, NY

The last month of the spring, May, is a mild month in Olcott, New York, with average temperature fluctuating between 48.4°F (9.1°C) and 59.5°F (15.3°C).

Temperature

In Olcott, New York, the average high-temperature rises, from a frosty 48.6°F (9.2°C) in April, to a mild 59.5°F (15.3°C). In Olcott, New York, the average low-temperature is 48.4°F (9.1°C).

Humidity

In May, the average relative humidity in Olcott is 79%.

Rainfall

May is the month with the most rainfall in Olcott. Rain falls for 16.6 days and accumulates 3.03" (77mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.4 snowfall days, Olcott aggregates 0.16" (4mm) of snow. In Olcott, during the entire year, snow falls for 59.1 days, and aggregates up to 17.28" (439mm) of snow.

Ocean temperature

In Olcott, the average seawater temperature in May is 43.3°F (6.3°C).
Note: At temperatures below 50°F (10°C), 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 55.4°F (13°C) is not comfortable.

Daylight

The average length of the day in Olcott is 14.7h.

Sunshine

The average sunshine in Olcott is 9.3h.

UV index

In Olcott, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to the UV radiation for average individuals.
Note: In May, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in May in Olcott?

In Olcott, New York, in May, the average high-temperature is 59.5°F (15.3°C), and the average low-temperature is 48.4°F (9.1°C).

What is the average humidity in May in Olcott?

The average relative humidity in May is 79%.

How many days does it rain in May in Olcott?

In May, in Olcott, New York, the rain falls for 16.6 days. Throughout May, 3.03" (77mm) of precipitation is accumulated.

What is the wettest month in Olcott?

May is the month with the most rainfall in Olcott, New York. Rain falls for 16.6 days and accumulates 3.03" (77mm) of precipitation.

What is the last month it snows in Olcott?

May is the last month it regularly snows. During 0.4 snowfall days, in May, Olcott aggregates 0.16" (4mm) of snow.

What is the ocean temperature in May in Olcott?

In Olcott, New York, in May, the average water temperature is 43.3°F (6.3°C). Swimming in 43.3°F (6.3°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

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

In May, the average length of the day in Olcott, New York, is 14.7h.

How many hours of sunshine does Olcott have in May?

In Olcott, the average sunshine in May is 9.3h.

What is the UV index reading in May in Olcott?

The average daily maximum UV index in May in Olcott, New York, is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV radiation.
Average temperature in May - Olcott, NY
  • Average high temperature in May: 15.3°C

The warmest month (with the highest average high temperature) is July (24.5°C).
The month with the lowest average high temperature is January (-1.3°C).

  • Average low temperature in May: 9.1°C

The month with the highest average low temperature is August (18.8°C).
The coldest month (with the lowest average low temperature) is January (-5.7°C).

Average pressure in May - Olcott, NY
  • Average pressure in May: 1015.3mbar

The month with the highest atmospheric pressure is November (1018.5mbar).
The month with the lowest atmospheric pressure is June (1013.2mbar).

Average wind speed in May - Olcott, NY
  • Average wind speed in May: 13.9km/h

The windiest month (with the highest average wind speed) is January (21.7km/h).
The calmest month (with the lowest average wind speed) is July (12.4km/h).

Average humidity in May - Olcott, NY
  • Average humidity in May: 79%

Months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is September (74%).

Average rainfall in May - Olcott, NY
  • Average rainfall in May: 77mm

The wettest month (with the highest rainfall) is May (77mm).
The driest month (with the least rainfall) is September (49mm).

Average rainfall days in May - Olcott, NY
  • Average rainfall days in May: 16.6 days

The month with the highest number of rainy days is October (18.5 days).
The month with the least rainy days is February (8.5 days).

Average snowfall in May - Olcott, NY
  • Average snowfall in May: 4mm

The month with the highest snowfall is February (114mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in May - Olcott, NY
  • Average snowfall days in May: 0.4 days

The month with the highest number of snowfall days is January (15.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in May - Olcott, NY
  • Average sea temperature in May: 6.3°C

The best month for swimming (with the highest average sea temperature) is August (22.7°C).
The coldest month (with the lowest average sea temperature) is March (2°C).

Average daylight in May / Average sunshine in May - Olcott, NY
  • Average daylight in May: 14.7h

The month with the longest days is June (Average daylight: 15.4h).
The month with the shortest days is December (Average daylight: 9h).

  • Average sunshine in May: 9.3h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is January (Average sunshine: 2.6h).

Average sunshine days in May - Olcott, NY
  • Average sunshine days in May: 12.1 days

The month with the most sunshine days is September (13.4 days).
The month with the least sunshine days is February (6.6 days).

Average UV index in May - Olcott, NY
  • Average UV index in May: 4

Months with the highest UV index are July and August (UV index 6).
Months with the lowest UV index are January and December (UV index 1).

Average cloud cover in May - Olcott, NY
  • Average cloud cover in May: 39

The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 26).

Average visibility in May - Olcott, NY
  • Average visibility in May: 9km

Months with the highest visibility are June, July, August and September (10km).
Months with the lowest visibility are January and February (8km).