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Westport, USA Weather Averages

July is the hottest month in Westport with an average temperature of 25°C (75°F) and the coldest is January at 1°C (33°F) with the most daily sunshine hours at 11 in July. The wettest month is August with an average of 114.1mm of rain. The best month to swim in the sea is in August when the average sea temperature is 23°C (73°F).

Average Temperature Westport

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 Westport

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 Westport

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 Westport

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 Westport

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

Westport : Next 24-Hour Weather

Tomorrow - 24th May 2026

Sunrise 05:27

Sunrise

Sunset 20:12

Sunset
23:00
Mist
13°C (55°F)

Tomorrow - 25th May 2026

Sunrise 05:27

Sunrise

Sunset 20:12

Sunset
0:00
Mist
13°C (54°F)
1:00
Fog
12°C (53°F)
2:00
Fog
12°C (53°F)
3:00
Fog
12°C (52°F)
4:00
Fog
12°C (52°F)
5:00
Light drizzle
12°C (53°F)
6:00
Light drizzle
12°C (53°F)
7:00
Light rain
13°C (54°F)
8:00
Light rain
13°C (54°F)
9:00
Light drizzle
13°C (55°F)
10:00
Fog
14°C (56°F)
11:00
Light drizzle
15°C (58°F)
12:00
Mist
16°C (60°F)
13:00
Patchy rain possible
17°C (62°F)
14:00
Cloudy
19°C (65°F)
15:00
Partly cloudy
20°C (66°F)
16:00
Cloudy
20°C (67°F)
17:00
Cloudy
20°C (67°F)
18:00
Partly cloudy
19°C (66°F)
19:00
Partly cloudy
18°C (64°F)
20:00
Partly cloudy
18°C (63°F)
21:00
Mist
17°C (62°F)
22:00
Mist
17°C (61°F)