October weather forecast
Calais, ME

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Weather in October

October ushers in distinct autumn weather with average temperatures dropping from 66.9°F (19.4°C) to 55.2°F (12.9°C). As the leaves change hues, Calais gets cloaked in vibrant shades of fall, creating a picturesque setting. A noticeable drop in sunshine hours and daylight marks the progress of fall, making sunsets even more spectacular. The temperature drops further towards the end of the month. With 2.91" (74mm) of rain, October also becomes synonymous with rainfall, amping up the city’s charm in the autumnal backdrop.

Temperature

October in Calais involves a decrease in temperature, down from a refreshing 66.9°F (19.4°C) in September to a cool 55.2°F (12.9°C). Calais sees an average low-temperature of 41.9°F (5.5°C) during October.

Humidity

In October, the average relative humidity is 81%.

Rainfall

In October, the rain falls for 13.7 days. Throughout October, 2.91" (74mm) of precipitation is accumulated. In Calais, during the entire year, the rain falls for 155.3 days and collects up to 32.48" (825mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows in Calais. Throughout October, in the average 0.5 snowfall days, it receives 0.12" (3mm) of snow. In Calais, during the entire year, snow falls for 64.6 days and aggregates up to 30.47" (774mm) of snow.

Daylight

The average length of the day in October is 10h and 56min.
On the first day of October, sunrise is at 7:28 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 8:07 am and sunset at 6:17 pm ADT.

Sunshine

The average sunshine in October is 6.3h.

UV index

In October, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A daily high UV index of 3 in October leads to these guidelines:
Ensure safety - Imperative it is to shield skin and eyes from damage. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Jun 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in October?

The high-temperature, in October, in Calais, is 55.2°F (12.9°C), while the low-temperature averages to 41.9°F (5.5°C).

What is the average humidity in October in Calais?

The average relative humidity in October is 81%.

How many days does it rain in October?

In October, the rain falls for 13.7 days. Throughout October, 2.91" (74mm) of precipitation is accumulated.

When does it start to snow in Calais?

October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.12" (3mm) of snow.

How many hours of daylight does Calais have in October?

In October, the average day length is 10h and 56min.

When are sunrise and sunset in October in Calais?

On the first day of October, sunrise is at 7:28 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 8:07 am and sunset at 6:17 pm ADT.

How long on average sun shines in October?

In Calais, the average sunshine duration in October is 6.3h.

What is the UV index intensity in October?

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

Average temperature in October
Calais, ME

Average temperature in October - Calais, ME
  • Average high temperature in October: 55.2°F

The warmest month (with the highest average high temperature) is July (74.8°F).
The month with the lowest average high temperature is January (26.6°F).

  • Average low temperature in October: 41.9°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 (13.8°F).

Average pressure in October
Calais, ME

Average pressure in October - Calais, ME
  • Average pressure in October: 29.99"Hg

The month with the highest atmospheric pressure is September (30.03"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in October
Calais, ME

Average wind speed in October - Calais, ME
  • Average wind speed in October: 7.8mph

The windiest month (with the highest average wind speed) is March (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).

Average humidity in October
Calais, ME

Average humidity in October - Calais, ME
  • Average humidity in October: 81%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is May (78%).

Average rainfall in October
Calais, ME

Average rainfall in October - Calais, ME
  • Average rainfall in October: 2.91"

The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is August (1.77").

Average rainfall days in October
Calais, ME

Average rainfall days in October - Calais, ME
  • Average rainfall days in October: 13.7 days

The month with the highest number of rainy days is April (17.2 days).
The month with the least rainy days is February (7.8 days).

Average snowfall in October
Calais, ME

Average snowfall in October - Calais, ME
  • Average snowfall in October: 0.12"

The month with the highest snowfall is January (7.44").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Calais, ME

Average snowfall days in October - Calais, ME
  • Average snowfall days in October: 0.5 days

The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Calais, ME

Average daylight in October / Average sunshine in October - Calais, ME
  • Average daylight in October: 10h and 5min

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

  • Average sunshine in October: 6h and 2min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).

Average sunshine days in October
Calais, ME

Average sunshine days in October - Calais, ME
  • Average sunshine days in October: 14.6 days

The month with the most sunshine days is September (16.6 days).
The month with the least sunshine days is April (8.5 days).

Average UV index in October
Calais, ME

Average UV index in October - Calais, ME
  • Average UV index in October: 3

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 2).

Average cloud cover in October
Calais, ME

Average cloud cover in October - Calais, ME
  • Average cloud cover in October: 46

The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility in October
Calais, ME

Average visibility in October - Calais, ME
  • Average visibility in October: 6mi

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

Calais, Maine, USA

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