Climate and monthly weather forecast
Castine, OH

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Weather in January

January, the same as December, is an icy winter month in Castine, Ohio, with an average temperature fluctuating between 32.4°F (0.2°C) and 20.3°F (-6.5°C). January, characterized by an average high temperature of 32.4°F (0.2°C) and a low temperature of 20.3°F (-6.5°C), is generally the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Castine, is another cold month, with an average temperature fluctuating between 37°F (2.8°C) and 24.1°F (-4.4°C). With the transition into February, Castine notes an average high-temperature of a still icy 37°F (2.8°C), closely resembling January. Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Castine, Ohio, with an average temperature fluctuating between 33.3°F (0.7°C) and 48°F (8.9°C). Castine's weather shows a temperature rise with the arrival of March, moving from a wintry 37°F (2.8°C) in February to a chilly 48°F (8.9°C). Weather in March »

Weather in April

April in Castine, Ohio, is a refreshing spring month, with an average temperature fluctuating between 60.3°F (15.7°C) and 43.2°F (6.2°C). Castine's transition into April brings a rise in the average high-temperature, moving from a frosty 48°F (8.9°C) in March to a refreshing 60.3°F (15.7°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Castine, Ohio, with temperature in the range of an average high of 70.7°F (21.5°C) and an average low of 54.5°F (12.5°C). With the beginning of May, Castine's average high-temperature sees an increase, transitioning from a refreshing 60.3°F (15.7°C) in April to an agreeable 70.7°F (21.5°C). Weather in May »

Weather in June

June, the first month of the summer in Castine, is a warm month, with an average temperature fluctuating between 61.5°F (16.4°C) and 77.7°F (25.4°C). June brings a slight elevation in the average high-temperature, transitioning from May's agreeable 70.7°F (21.5°C) to a warm 77.7°F (25.4°C). Weather in June »

Weather in July

July, like June, in Castine, Ohio, is a moderately hot summer month, with an average temperature varying between 64.2°F (17.9°C) and 80.6°F (27°C). July is Castine's warmest month, registering average high temperatures of 80.6°F (27°C) and lows of 64.2°F (17.9°C). During July, the heat index is computed to be a tropical 86°F (30°C). Weather in July »

Weather in August

August, the last month of the summer in Castine, is another warm month, with an average temperature ranging between min 62.2°F (16.8°C) and max 79.3°F (26.3°C). August commences with an average high-temperature of a still warm 79.3°F (26.3°C), showing little deviation from July's 80.6°F (27°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Castine, Ohio, with an average temperature ranging between min 56.5°F (13.6°C) and max 74.5°F (23.6°C). Transitioning into September, Castine records an average high-temperature of a still warm 74.5°F (23.6°C), almost identical to August's 79.3°F (26.3°C). Weather in September »

Weather in October

October, like September, in Castine, Ohio, is another comfortable autumn month, with an average temperature ranging between min 46°F (7.8°C) and max 62.1°F (16.7°C). The decrease of average high-temperatures is mild in October, with a decline from a moderately hot 74.5°F (23.6°C) in September to a refreshing 62.1°F (16.7°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Castine, Ohio, with an average temperature fluctuating between 34.7°F (1.5°C) and 48.6°F (9.2°C). Castine's weather in November involves a decrease in the average high-temperature, moving down from October's enjoyable 62.1°F (16.7°C) to a frosty 48.6°F (9.2°C). Weather in November »

Weather in December

December, the first month of the winter in Castine, is also an icy month, with an average temperature varying between 37.8°F (3.2°C) and 27.9°F (-2.3°C). December's arrival correlates with a reduction in the average high-temperature, down from a frosty 48.6°F (9.2°C) in November to an icy 37.8°F (3.2°C). Weather in December »
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

The coldest temperatures occur during January, when averages reach a peak of 32.4°F (0.2°C) and a low of 20.3°F (-6.5°C).

What are the most humid months?

January, February and December, with an average relative humidity of 83%, are most humid months.

How much does it rain?

In Castine, Ohio, during the entire year, the rain falls for 168.9 days and collects up to 33.46" (850mm) of precipitation.

When does it snow?

Months with snowfall are January through April, October through December.

What is the snowiest month?

January is the month with the most snowfall. Snow falls for 12.6 days and accumulates 3.74" (95mm) of snow.

How much does it snow?

Throughout the year, there are 44.1 snowfall days, and 14.8" (376mm) of snow is accumulated.

What is the month with the least sunshine in Castine?

With an average of 3.5h of sunshine, January has the least sunshine of the year.

What are the months with the lowest UV index?

The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2.

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 EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What is the rainiest month?

May is the month with the most rainfall. Rain falls for 19.8 days and accumulates 4.17" (106mm) of precipitation.

When it does not snow?

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

When are the longest days?

June has the longest days of the year, with an average of 15h and 0min of daylight.

What are the months with the most sunshine?

The months with the most sunshine are June and July, with an average of 9.9h of sunshine.

When is the highest UV index?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

What are the warmest months?

Temperature records mark July as the warmest month, with highs averaging 80.6°F (27°C) and lows at 64.2°F (17.9°C).

What is the driest month?

September is the month with the least rainfall. Rain falls for 14.6 days and accumulates 2.17" (55mm) of precipitation.

What is the least humid month?

The least humid month is October, with an average relative humidity of 75%.

What is the month with the shortest days?

With an average of 9h and 24min of daylight, December has the shortest days of the year.

Average temperature
Castine, OH

Average temperature - Castine, OH

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (32.4°F).

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

Average pressure
Castine, OH

Average pressure - Castine, OH

The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Castine, OH

Average wind speed - Castine, OH

The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

Average humidity
Castine, OH

Average humidity - Castine, OH

The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is October (75%).

Average rainfall
Castine, OH

Average rainfall - Castine, OH

The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is September (2.17").

Average rainfall days
Castine, OH

Average rainfall days - Castine, OH

The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is February (8.3 days).

Average snowfall
Castine, OH

Average snowfall - Castine, OH

The month with the highest snowfall is January (3.74").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Castine, OH

Average snowfall days - Castine, OH

The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Castine, OH

Average daylight / Average sunshine - Castine, OH

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 24min).

The months with the most sunshine are June and July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days
Castine, OH

Average sunshine days - Castine, OH

The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is May (9.3 days).

Average UV index
Castine, OH

Average UV index - Castine, OH

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

Average visibility
Castine, OH

Average visibility - Castine, OH

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).

Castine, Ohio, USA

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