August weather forecast
Caribou, ME

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Weather in August

August sees a slight decline in temperature from July's peak, yet remains comfortably warm. It is the last full month of summer, before the autumn transition begins. The warm weather combined with extended daylight hours keeps outdoor enthusiasts active and the vegetation in full bloom. The annual Crown of Maine Balloon Fest elevates the month's charm with colorful hot air balloons adorning the blue sky in the city.

Temperature

The arrival of August coincides with an average high-temperature of a still moderately hot 73.6°F (23.1°C), indicating a minimal shift from July's 75°F (23.9°C). Caribou observes an average nighttime temperature of 53.6°F (12°C) during August.

Humidity

The average relative humidity in August in Caribou is 80%.

Rainfall

In August, the rain falls for 16.8 days. Throughout August, 2.48" (63mm) of precipitation is accumulated. In Caribou, during the entire year, the rain falls for 144 days and collects up to 32.95" (837mm) of precipitation.

Snowfall

In Caribou, snow does not fall in June through September.

Daylight

In August, the average length of the day in Caribou is 14h and 10min.
On the first day of the month, sunrise is at 5:12 am and sunset at 8:03 pm. On the last day of August, in Caribou, sunrise is at 5:51 am and sunset at 7:12 pm EDT.

Sunshine

With an average of 9.4h of sunshine, August has the most sunshine of the year.

UV index

In August, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 4 during August translates into the following directions:
Put precautions into practice - Guidance to elude sunburn is provided. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
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Frequently asked questions

What is the temperature in August in Caribou?

The average high-temperature, in August, in Caribou, is 73.6°F (23.1°C), while the average low-temperature is 53.6°F (12°C).

What is the average humidity in August in Caribou?

In August, the average relative humidity in Caribou is 80%.

How much does it rain in Caribou in August?

In Caribou, in August, it is raining for 16.8 days, with typically 2.48" (63mm) of accumulated precipitation.

When it does not snow in Caribou?

June through September are months without snowfall in Caribou.

What is the average length of the day in August in Caribou?

The average day length in August in Caribou, Maine, is 14h and 10min.

What time are sunrise and sunset in August in Caribou?

On the first day of August, sunrise is at 5:12 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 7:12 pm EDT.

What month has the most sunshine in Caribou?

August has the most sunshine of the year in Caribou, Maine, with an average of 9.4h of sunshine.

How long on average sun shines in August in Caribou?

The average sunshine duration in August is 9.4h.

What is the UV index reading in August in Caribou?

The average daily maximum UV index in August in Caribou is 4. A UV Index reading of 3 to 5 represents a medium health risk 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 August
Caribou, ME

Average temperature in August - Caribou, ME
  • Average high temperature in August: 73.6°F

The warmest month (with the highest average high temperature) is July (75°F).
The month with the lowest average high temperature is January (19.4°F).

  • Average low temperature in August: 53.6°F

The month with the highest average low temperature is July (54.7°F).
The coldest month (with the lowest average low temperature) is January (4.3°F).

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Average pressure in August
Caribou, ME

Average pressure in August - Caribou, ME
  • Average pressure in August: 29.93"Hg

The month with the highest atmospheric pressure is September (30.02"Hg).
The months with the lowest atmospheric pressure are June and July (29.89"Hg).

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Average wind speed in August
Caribou, ME

Average wind speed in August - Caribou, ME
  • Average wind speed in August: 6.5mph

The windiest months (with the highest average wind speed) are February and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average humidity in August
Caribou, ME

Average humidity in August - Caribou, ME
  • Average humidity in August: 80%

The months with the highest relative humidity are February and March (93%).
The month with the lowest relative humidity is May (75%).

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Average rainfall in August
Caribou, ME

Average rainfall in August - Caribou, ME
  • Average rainfall in August: 2.48"

The wettest month (with the highest rainfall) is April (3.46").
The driest month (with the least rainfall) is February (2.2").

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Average rainfall days in August
Caribou, ME

Average rainfall days in August - Caribou, ME
  • Average rainfall days in August: 16.8 days

The month with the highest number of rainy days is June (16.9 days).
The month with the least rainy days is January (4.2 days).

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Average snowfall in August
Caribou, ME

Average snowfall in August - Caribou, ME
  • Average snowfall in August: 0"

The month with the highest snowfall is January (15.91").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Caribou, ME

Average snowfall days in August - Caribou, ME
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (21 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Caribou, ME

Average daylight in August / Average sunshine in August - Caribou, ME
  • Average daylight in August: 14h and 1min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in August: 9h and 2min

The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 2h and 6min).

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Average sunshine days in August
Caribou, ME

Average sunshine days in August - Caribou, ME
  • Average sunshine days in August: 12.1 days

The month with the most sunshine days is September (14.7 days).
The month with the least sunshine days is February (7.8 days).

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Average UV index in August
Caribou, ME

Average UV index in August - Caribou, ME
  • Average UV index in August: 4

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

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Average cloud cover in August
Caribou, ME

Average cloud cover in August - Caribou, ME
  • Average cloud cover in August: 43

The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 43).

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Average visibility in August
Caribou, ME

Average visibility in August - Caribou, ME
  • Average visibility in August: 5mi

The month with the highest visibility is May (6mi).
The months with the lowest visibility are January, February, March, April and December (4mi).

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Caribou, Maine, USA

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