Climate and monthly weather forecast
Foster City, MI

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Weather in January

January, like December, is another subzero cold winter month in Foster City, Michigan, with temperature in the range of an average low of 10.2°F (-12.1°C) and an average high of 21°F (-6.1°C). Foster City experiences its lowest average temperatures in January, reaching a peak of 21°F (-6.1°C) and a minimum of 10.2°F (-12.1°C). Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Foster City, Michigan, with an average temperature ranging between max 23.9°F (-4.5°C) and min 11.3°F (-11.5°C). With the onset of February, the average high-temperature stands at a still freezing cold 23.9°F (-4.5°C), closely aligned with January's 21°F (-6.1°C). Weather in February »

Weather in March

The first month of the spring, March, is a cold month in Foster City, Michigan, with temperature in the range of an average low of 22.1°F (-5.5°C) and an average high of 35.8°F (2.1°C). March brings a temperature change, with average high-temperatures moving from February's freezing cold 23.9°F (-4.5°C) to a wintry 35.8°F (2.1°C). Weather in March »

Weather in April

April in Foster City, Michigan, is a frosty spring month, with an average temperature ranging between min 31.5°F (-0.3°C) and max 47.5°F (8.6°C). In Foster City, the average high-temperature in April increases from an icy 35.8°F (2.1°C) in March to a chilly 47.5°F (8.6°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Foster City, Michigan, with temperature in the range of an average high of 63.1°F (17.3°C) and an average low of 42.6°F (5.9°C). The shift from April to May sees a distinct increase in the average high-temperature, escalating from a chilly 47.5°F (8.6°C) to a refreshing 63.1°F (17.3°C). Weather in May »

Weather in June

June, the first month of the summer in Foster City, is a pleasant month, with an average temperature ranging between min 50.5°F (10.3°C) and max 71.4°F (21.9°C). Foster City observes a slight ascent in average high-temperatures during June, adjusting from a comfortable 63.1°F (17.3°C) in May to an agreeable 71.4°F (21.9°C). Weather in June »

Weather in July

July in Foster City, Michigan, is a warm summer month, with temperature in the range of an average low of 56.8°F (13.8°C) and an average high of 77.5°F (25.3°C). The warmest period tends to be July, when average temperatures fluctuate between a high of 77.5°F (25.3°C) and a low of 56.8°F (13.8°C). Weather in July »

Weather in August

August, the last month of the summer in Foster City, is also a moderately hot month, with an average temperature ranging between min 55.9°F (13.3°C) and max 75.7°F (24.3°C). The transition from July to August brings an average high-temperature of a still moderately hot 75.7°F (24.3°C), barely different from July's 77.5°F (25.3°C). Weather in August »

Weather in September

September, the first month of the autumn in Foster City, is still a refreshing month, with an average temperature fluctuating between 48.6°F (9.2°C) and 67.6°F (19.8°C). In Foster City, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's warm 75.7°F (24.3°C) to a refreshing 67.6°F (19.8°C). Weather in September »

Weather in October

October, the same as September, is a cool autumn month in Foster City, Michigan, with an average temperature fluctuating between 52.7°F (11.5°C) and 39.7°F (4.3°C). Foster City's transition into October marks a considerable drop in the average high-temperature, moving down from a refreshing 67.6°F (19.8°C) in September to a fresh 52.7°F (11.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Foster City, is another cold month, with temperature in the range of an average high of 38.5°F (3.6°C) and an average low of 28.8°F (-1.8°C). The commencement of November involves a temperature shift, with the average high-temperature dropping from a fresh 52.7°F (11.5°C) in October to a cold 38.5°F (3.6°C). Weather in November »

Weather in December

December, the first month of the winter in Foster City, is still a freezing cold month, with temperature in the range of an average low of 18°F (-7.8°C) and an average high of 26.8°F (-2.9°C). The arrival of December indicates a decrease in the average high-temperature, moving from a wintry 38.5°F (3.6°C) in November to a subzero cold 26.8°F (-2.9°C). Weather in December »
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Frequently asked questions

What are the coldest months in Foster City?

January, on average, is the coldest month in Foster City, Michigan, registering a high temperature of 21°F (-6.1°C) and a low of 10.2°F (-12.1°C).

What is the driest month in Foster City?

January is the month with the least rainfall in Foster City, Michigan. Rain falls for 6.9 days and accumulates 1.14" (29mm) of precipitation.

How much does it rain in Foster City?

In Foster City, Michigan, during the entire year, the rain falls for 137.4 days and collects up to 22.83" (580mm) of precipitation.

When does it snow in Foster City?

Months with snowfall in Foster City, Michigan, are January through May, October through December.

How many days does it snow in Foster City?

Throughout the year, in Foster City, Michigan, there are 92.1 snowfall days, and 41.26" (1048mm) of snow is accumulated.

What are the months with the lowest UV index in Foster City?

The months with the lowest UV index in Foster City are January through March, November and December, with an average maximum UV index of 1.

What is the most humid month in Foster City?

The most humid month in Foster City, Michigan, is February, with an average relative humidity of 90%.

What is the snowiest month in Foster City?

The month with the most snowfall in Foster City, Michigan, is February, when snow falls for 18.8 days and typically aggregates up to 9.09" (231mm) of snow.

What is the month with the least sunshine in Foster City?

The month with the least sunshine is February, with an average of 2.8h of sunshine.

When is Daylight Saving Time (DST) in Foster City?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Foster City, 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 least humid month in Foster City?

With an average relative humidity of 72%, May is the least humid month.

What is the rainiest month in Foster City?

The month with the most rainfall is June, when the rain falls for 15.3 days and typically aggregates up to 2.6" (66mm) of precipitation.

When it does not snow in Foster City?

In Foster City, Michigan, snow does not fall in June through September.

When are the longest days in Foster City?

The month with the longest days in Foster City, Michigan, is June, with an average of 15h and 42min of daylight.

What are the months with the highest UV index in Foster City?

The months with the highest UV index are June through August, with an average maximum UV index of 5.

What time of the year is the hottest in Foster City?

July brings the highest temperatures in Foster City, Michigan, with an average high of 77.5°F (25.3°C) and an average low of 56.8°F (13.8°C).

What month has the most sunshine in Foster City?

July has the most sunshine of the year, with an average of 10h of sunshine.

What is the month with the shortest days in Foster City?

The month with the shortest days in Foster City, Michigan, is December, with an average of 8h and 42min of daylight.

Average temperature
Foster City, MI

Average temperature - Foster City, MI

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (21°F).

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (10.2°F).

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Average pressure
Foster City, MI

Average pressure - Foster City, MI

The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed
Foster City, MI

Average wind speed - Foster City, MI

The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average rainfall
Foster City, MI

Average rainfall - Foster City, MI

The wettest month (with the highest rainfall) is June (2.6").
The driest month (with the least rainfall) is January (1.14").

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Average rainfall days
Foster City, MI

Average rainfall days - Foster City, MI

The months with the highest number of rainy days are May, June and July (15.3 days).
The month with the least rainy days is February (5.7 days).

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Average snowfall
Foster City, MI

Average snowfall - Foster City, MI

The month with the highest snowfall is February (9.09").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Foster City, MI

Average snowfall days - Foster City, MI

The month with the highest number of snowfall days is January (20.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Foster City, MI

Average daylight / Average sunshine - Foster City, MI

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).

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Average sunshine days
Foster City, MI

Average sunshine days - Foster City, MI

The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (9.1 days).

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Average UV index
Foster City, MI

Average UV index - Foster City, MI

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

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Foster City, Michigan, USA

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