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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Sandwich, Illinois, is a freezing cold winter month, with an average temperature varying between 16.2°F (-8.8°C) and 28.2°F (-2.1°C). Temperature readings reach their annual highs in January, averaging 28.2°F (-2.1°C) and a minimum average of 16.2°F (-8.8°C). Weather in January »
Weather in February
The last month of the winter, February, is a cold month in Sandwich, Illinois, with temperature in the range of an average low of 19.2°F (-7.1°C) and an average high of 32.2°F (0.1°C). Sandwich measures an average high-temperature of a wintry 32.2°F (0.1°C) in February, nearly consistent with the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Sandwich, Illinois, with an average temperature varying between 45.9°F (7.7°C) and 31.3°F (-0.4°C). March's onset is marked by a temperature increase, moving from a cold 32.2°F (0.1°C) in February to a chilly 45.9°F (7.7°C). Weather in March »
Weather in April
April is a moderate spring month in Sandwich, Illinois, with temperature in the range of an average low of 41.2°F (5.1°C) and an average high of 57.4°F (14.1°C). With the onset of April, Sandwich's average high-temperature experiences a rise, moving from March's chilly 45.9°F (7.7°C) to a refreshing 57.4°F (14.1°C). Weather in April »
Weather in May
May, the last month of the spring in Sandwich, is an agreeable month, with an average temperature ranging between min 52.3°F (11.3°C) and max 69.6°F (20.9°C). The shift from April to May sees an increase in the average high-temperature, transitioning from a mild 57.4°F (14.1°C) to a pleasant 69.6°F (20.9°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Sandwich, Illinois, with an average temperature varying between 60.8°F (16°C) and 78.3°F (25.7°C). June introduces a marginal temperature uplift, with average high-temperatures adjusting from May's pleasant 69.6°F (20.9°C) to a moderately hot 78.3°F (25.7°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Sandwich, Illinois, with an average temperature ranging between max 80.6°F (27°C) and min 63.5°F (17.5°C). Sandwich's warmest month, July, generally records average temperatures ranging from a high of 80.6°F (27°C) to a low of 63.5°F (17.5°C). During July, the heat index is computed to be a hot 86°F (30°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Sandwich, Illinois, with an average temperature fluctuating between 61.7°F (16.5°C) and 79.3°F (26.3°C). Upon the onset of August, Sandwich witnesses an average high-temperature of a still warm 79.3°F (26.3°C), showing a close resemblance to the prior month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Sandwich, Illinois, with an average temperature ranging between min 55.6°F (13.1°C) and max 73.8°F (23.2°C). The start of September involves a subtle temperature drop, shifting from a moderately hot 79.3°F (26.3°C) in August to a still warm 73.8°F (23.2°C). Weather in September »
Weather in October
October, like September, is a moderate autumn month in Sandwich, Illinois, with temperature in the range of an average low of 45°F (7.2°C) and an average high of 60.6°F (15.9°C). October's arrival coincides with a drop in the average high-temperature, decreasing from September's moderately hot 73.8°F (23.2°C) to a moderate 60.6°F (15.9°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Sandwich, Illinois, with an average temperature fluctuating between 45.9°F (7.7°C) and 32.9°F (0.5°C). The arrival of November signals a clear decrease in the average high-temperature, falling from a mild 60.6°F (15.9°C) in October to a chilly 45.9°F (7.7°C). Weather in November »
Weather in December
December, the first month of the winter in Sandwich, is still a cold month, with an average temperature ranging between min 23.9°F (-4.5°C) and max 34.2°F (1.2°C). Onset of December comes with a temperature decline, the average high falling from a frosty 45.9°F (7.7°C) in November to an icy 34.2°F (1.2°C). Weather in December »
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
Sandwich's temperature records reveal January as the coldest month, marked by average highs of 28.2°F (-2.1°C) and lows of 16.2°F (-8.8°C).
How many days does it rain?
In Sandwich, during the entire year, the rain falls for 168.3 days and collects up to 35.47" (901mm) of precipitation.
When does it snow?
Months with snowfall are January through April, October through December.
When does it snow the most?
January is the month with the most snowfall. Snow falls for 13.4 days and accumulates 4.88" (124mm) of snow.
How much does it snow?
Throughout the year, there are 47.1 snowfall days, and 16.61" (422mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 3.8h of sunshine.
What is the month with the lowest UV index?
The months with the lowest UV index are January and December, with an average maximum UV index of 1.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
What is the wettest month?
The month with the most rainfall is May, when the rain falls for 19.4 days and typically aggregates up to 4.88" (124mm) of precipitation.
When it does not snow?
In Sandwich, snow does not fall in May through September.
When are the longest days?
June has the longest days of the year in Sandwich, with an average of 15h and 6min of daylight.
What is the month with the most sunshine?
June and August, with an average of 9.6h of sunshine, are months with the most sunshine.
When is the highest UV index?
June and July, with an average maximum UV index of 6, are months with the highest UV index.
What is the warmest month?
July brings the highest temperatures, with an average high of 80.6°F (27°C) and an average low of 63.5°F (17.5°C).
What are the most humid months?
July and August, with an average relative humidity of 84%, are most humid months in Sandwich.
What is the least humid month?
October is the least humid month, with an average relative humidity of 74%.
What is the driest month?
The month with the least rainfall is November, when the rain falls for 11 days and typically collects 1.73" (44mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 12min of daylight.
Average temperature
Sandwich, IL
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (28.2°F).
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure
Sandwich, IL
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Sandwich, IL
- Average wind speed in January:
9.8mph - Average wind speed in February:
9.7mph - Average wind speed in March:
9.5mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.2mph - Average wind speed in August:
6mph - Average wind speed in September:
7mph - Average wind speed in October:
8.6mph - Average wind speed in November:
9.3mph - Average wind speed in December:
9.1mph
The windiest months (with the highest average wind speed) are January and April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity
Sandwich, IL
The months with the highest relative humidity are July and August (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Sandwich, IL
- Average rainfall in January:
1.85" - Average rainfall in February:
1.85" - Average rainfall in March:
2.09" - Average rainfall in April:
4.02" - Average rainfall in May:
4.88" - Average rainfall in June:
4.65"
- Average rainfall in July:
3.9" - Average rainfall in August:
3.11" - Average rainfall in September:
2.52" - Average rainfall in October:
3.03" - Average rainfall in November:
1.73" - Average rainfall in December:
1.85"
The wettest month (with the highest rainfall) is May (4.88").
The driest month (with the least rainfall) is November (1.73").
Average rainfall days
Sandwich, IL
- Average rainfall days in January:
6.3 days - Average rainfall days in February:
6 days - Average rainfall days in March:
13.3 days - Average rainfall days in April:
17.9 days - Average rainfall days in May:
19.4 days - Average rainfall days in June:
19.8 days
- Average rainfall days in July:
20.3 days - Average rainfall days in August:
18.3 days - Average rainfall days in September:
14 days - Average rainfall days in October:
13.8 days - Average rainfall days in November:
11 days - Average rainfall days in December:
8.2 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is February (6 days).
Average snowfall
Sandwich, IL
The month with the highest snowfall is January (4.88").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Sandwich, IL
- Average snowfall days in January:
13.4 days - Average snowfall days in February:
11.2 days - Average snowfall days in March:
6.6 days - Average snowfall days in April:
1.8 days - Average snowfall days in May:
0.2 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.5 days - Average snowfall days in November:
3.2 days - Average snowfall days in December:
10.2 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Sandwich, IL
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
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 January:
3h and 5min - Average sunshine in February:
4h and 0min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 4min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
9h and 3min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 1min
The months with the most sunshine are June and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Sandwich, IL
- Average sunshine days in January:
13.3 days - Average sunshine days in February:
11.8 days - Average sunshine days in March:
13.1 days - Average sunshine days in April:
9.4 days - Average sunshine days in May:
9.3 days - Average sunshine days in June:
8.4 days
- Average sunshine days in July:
7.2 days - Average sunshine days in August:
9.1 days - Average sunshine days in September:
13.4 days - Average sunshine days in October:
14.7 days - Average sunshine days in November:
16.3 days - Average sunshine days in December:
14.5 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is July (7.2 days).
Average UV index
Sandwich, IL
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Sandwich, IL
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 34).
Average visibility
Sandwich, IL
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Sandwich, Illinois, USA
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