May weather forecast
Saybrook, IL

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Weather in May

May, the last month of the spring in Saybrook, is an agreeable month, with temperature in the range of an average high of 71.6°F (22°C) and an average low of 55.4°F (13°C).

Temperature

Saybrook's transition into May is marked by a rise in the average high-temperature, advancing from a comfortable 60.8°F (16°C) in April to a pleasant 71.6°F (22°C). Saybrook usually reports an average low-temperature of 55.4°F (13°C) during the month of May.

Humidity

In Saybrook, the average relative humidity in May is 76%.

Rainfall

The month with the most rainfall is May, when the rain falls for 14.9 days and typically aggregates up to 1.93" (49mm) of precipitation.

Snowfall

In Saybrook, snow does not fall in May through September.

Daylight

The average length of the day in May is 14h and 26min.
On the first day of the month, sunrise is at 5:52 am and sunset at 7:50 pm. On the last day of May, sunrise is at 5:26 am and sunset at 8:17 pm CDT.

Sunshine

In Saybrook, the average sunshine in May is 8.8h.

UV index

In Saybrook, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index, 5 during May, leads to the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Enhance your sun protection with tightly woven, yet airy clothing.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Saybrook in May?

The high-temperature, in May, in Saybrook, is 71.6°F (22°C), while the low-temperature averages to 55.4°F (13°C).

What is the average humidity in May in Saybrook?

In Saybrook, Illinois, the average relative humidity in May is 76%.

What is the wettest month in Saybrook?

The month with the most rainfall in Saybrook, Illinois, is May, when the rain falls for 14.9 days and typically aggregates up to 1.93" (49mm) of precipitation.

How much does it rain in Saybrook in May?

In Saybrook, in May, it is raining for 14.9 days, with typically 1.93" (49mm) of accumulated precipitation.

When it does not snow in Saybrook?

In Saybrook, Illinois, snow does not fall in May through September.

Does it snow in Saybrook in May?

In May, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Saybrook have in May?

In Saybrook, the average day length in May is 14h and 26min.

When are sunrise and sunset in May in Saybrook?

In May, on the first day of the month, sunrise is at 5:52 am and sunset at 7:50 pm. On the last day of the month, in Saybrook, sunrise is at 5:26 am and sunset at 8:17 pm CDT.

How long on average sun shines in May in Saybrook?

In May, the average sunshine duration in Saybrook, Illinois, is 8.8h.

What is the UV index reading in May in Saybrook?

In May, the average daily maximum UV index in Saybrook, Illinois, is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Saybrook, IL

Average temperature in May - Saybrook, IL
  • Average high temperature in May: 71.6°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in May: 55.4°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

Average pressure in May
Saybrook, IL

Average pressure in May - Saybrook, IL
  • Average pressure in May: 29.96"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in May
Saybrook, IL

Average wind speed in May - Saybrook, IL
  • Average wind speed in May: 9.2mph

The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in May
Saybrook, IL

Average humidity in May - Saybrook, IL
  • Average humidity in May: 76%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).

Average rainfall in May
Saybrook, IL

Average rainfall in May - Saybrook, IL
  • Average rainfall in May: 1.93"

The wettest month (with the highest rainfall) is May (1.93").
The driest months (with the least rainfall) are February and December (0.75").

Average rainfall days in May
Saybrook, IL

Average rainfall days in May - Saybrook, IL
  • Average rainfall days in May: 14.9 days

The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (4.8 days).

Average snowfall in May
Saybrook, IL

Average snowfall in May - Saybrook, IL
  • Average snowfall in May: 0"

The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Saybrook, IL

Average snowfall days in May - Saybrook, IL
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Saybrook, IL

Average daylight in May / Average sunshine in May - Saybrook, IL
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in May
Saybrook, IL

Average sunshine days in May - Saybrook, IL
  • Average sunshine days in May: 12.3 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (10.3 days).

Average UV index in May
Saybrook, IL

Average UV index in May - Saybrook, IL
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in May
Saybrook, IL

Average cloud cover in May - Saybrook, IL
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 33).

Average visibility in May
Saybrook, IL

Average visibility in May - Saybrook, IL
  • Average visibility in May: 6mi

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

Saybrook, Illinois, USA

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