May weather forecast
Potsdam, NY

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Weather in May

May witnesses the full arrival of spring, with warmer temperatures, abundant sunlight, and rainfall in Potsdam, New York. The weather is distinctly warmer than April, with significantly higher temperatures. The highest average temperature experienced hovers around 64.4°F (18°C). May sees increased daylight duration and sunshine hours, making it an ideal time for outdoor activities. However, the occasional rain may call for an umbrella.

Temperature

The start of May brings a rise in the average high-temperature, moving from a fresh 50.2°F (10.1°C) in April to an enjoyable 64.4°F (18°C). An average low-temperature of 45.7°F (7.6°C) is recorded during the nights in May in Potsdam.

Humidity

In May, the average relative humidity is 78%.

Rainfall

In Potsdam, during May, the rain falls for 16.4 days and regularly aggregates up to 2.72" (69mm) of precipitation. Throughout the year, there are 156 rainfall days, and 29.72" (755mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Potsdam, New York. May is the last month it regularly snows. During 0.6 snowfall days, in May, Potsdam aggregates 0.35" (9mm) of snow. In Potsdam, during the entire year, snow falls for 74.7 days and aggregates up to 37.99" (965mm) of snow.

Daylight

In Potsdam, the average length of the day in May is 14h and 50min.
On the first day of the month, sunrise is at 5:48 am and sunset at 8:05 pm. On the last day of May, sunrise is at 5:17 am and sunset at 8:37 pm EDT.

Sunshine

The average sunshine in May in Potsdam is 8.3h.

UV index

In May, the average daily maximum UV index in Potsdam, New York, is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: A typical high UV index of 4 in May suggests the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Frequently asked questions

What are May temperatures in Potsdam?

In May, the average high-temperature and low-temperature in Potsdam are 64.4°F (18°C) and 45.7°F (7.6°C) respectively.

What is the average humidity in May in Potsdam?

In Potsdam, the average relative humidity in May is 78%.

How many days does it rain in May in Potsdam?

In May, in Potsdam, the rain falls for 16.4 days. Throughout May, 2.72" (69mm) of precipitation is accumulated.

What is the last month it snows in Potsdam?

May is the last month it regularly snows. During 0.6 snowfall days, in May, Potsdam aggregates 0.35" (9mm) of snow.

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

In May, the average day length is 14h and 50min.

When are sunrise and sunset in May in Potsdam?

On the first day of May in Potsdam, sunrise is at 5:48 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 8:37 pm EDT.

How many hours of sunshine does Potsdam have in May?

In May, the average sunshine duration in Potsdam, New York, is 8.3h.

How high is the UV index in May in Potsdam?

In Potsdam, New York, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
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
Potsdam, NY

Average temperature in May - Potsdam, NY
  • Average high temperature in May: 64.4°F

The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (23.4°F).

  • Average low temperature in May: 45.7°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

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Average pressure in May
Potsdam, NY

Average pressure in May - Potsdam, NY
  • Average pressure in May: 29.97"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in May
Potsdam, NY

Average wind speed in May - Potsdam, NY
  • Average wind speed in May: 7.3mph

The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

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Average humidity in May
Potsdam, NY

Average humidity in May - Potsdam, NY
  • Average humidity in May: 78%

The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is April (77%).

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Average rainfall in May
Potsdam, NY

Average rainfall in May - Potsdam, NY
  • Average rainfall in May: 2.72"

The wettest month (with the highest rainfall) is August (3.03").
The driest months (with the least rainfall) are March and September (2.01").

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Average rainfall days in May
Potsdam, NY

Average rainfall days in May - Potsdam, NY
  • Average rainfall days in May: 16.4 days

The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (6 days).

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Average snowfall in May
Potsdam, NY

Average snowfall in May - Potsdam, NY
  • Average snowfall in May: 0.35"

The month with the highest snowfall is January (8.39").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Potsdam, NY

Average snowfall days in May - Potsdam, NY
  • Average snowfall days in May: 0.6 days

The month with the highest number of snowfall days is February (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Potsdam, NY

Average daylight in May / Average sunshine in May - Potsdam, NY
  • Average daylight in May: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in May: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 2h and 36min).

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Average sunshine days in May
Potsdam, NY

Average sunshine days in May - Potsdam, NY
  • Average sunshine days in May: 12 days

The month with the most sunshine days is November (15 days).
The month with the least sunshine days is July (9.3 days).

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Average UV index in May
Potsdam, NY

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

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in May
Potsdam, NY

Average cloud cover in May - Potsdam, NY
  • Average cloud cover in May: 45

The months with the most cloud cover are January and February (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 35).

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Average visibility in May
Potsdam, NY

Average visibility in May - Potsdam, NY
  • Average visibility in May: 6mi

The months with the highest visibility are April, May, June, July, September and October (6mi).
The months with the lowest visibility are January and February (4mi).

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Potsdam, New York, USA

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