us Flag

Calais, USA Weather Averages

July is the hottest month in Calais with an average temperature of 18°C (64°F) and the coldest is January at -9°C (16°F) with the most daily sunshine hours at 9 in July. The wettest month is October with an average of 120mm of rain. The best month to swim in the sea is in August when the average sea temperature is 15°C (59°F).

Average Temperature Calais

What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month
What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

Average High Low Temperature Calais

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

Average Rainfall Calais

What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

Average Daily Sunshine Hours Calais

What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer
What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

Average Sea Temperature Calais

What is Average Sea Temperature?
Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface
What is Average Sea Temperature?
Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface

Calais : Next 24-Hour Weather

Today - 10th September 2026

Sunrise 07:01

Sunrise

Sunset 19:50

Sunset
0:00
Patchy rain possible
15°C (58°F)
1:00
Light rain
15°C (59°F)
2:00
Light drizzle
16°C (59°F)
3:00
Moderate rain
16°C (60°F)
4:00
Moderate rain
17°C (62°F)
5:00
Light rain
18°C (63°F)
6:00
Overcast
18°C (64°F)
7:00
Overcast
19°C (65°F)
8:00
Light rain
19°C (66°F)
9:00
Patchy rain possible
20°C (67°F)
10:00
Patchy rain possible
21°C (69°F)
11:00
Patchy rain possible
24°C (74°F)
12:00
Patchy rain possible
26°C (78°F)
13:00
Clear
28°C (81°F)
14:00
Patchy rain possible
28°C (82°F)
15:00
Overcast
28°C (81°F)
16:00
Clear
26°C (78°F)
17:00
Clear
24°C (74°F)
18:00
Overcast
20°C (68°F)
19:00
Overcast
19°C (65°F)
20:00
Partly cloudy
17°C (62°F)
21:00
Overcast
15°C (59°F)
22:00
Overcast
14°C (57°F)
23:00
Overcast
13°C (55°F)
Search for your next stay in Calais Choose from millions of homes, hotels and other properties all over the world