This page presents a long range weather forecast for Carmarthen in May as well as other months. You can quickly get a brief overview of the weather to expect in May on a daily basis.
The Carmarthen extended forecast data provided is based on the average values of previous years.
Long range weather forecast
Select a month and click on a day for more information:
Wednesday
May 1
12° / 5°
Thursday
May 2
12° / 6°
Friday
May 3
12° / 6°
Saturday
May 4
13° / 7°
Sunday
May 5
13° / 6°
Monday
May 6
13° / 7°
Tuesday
May 7
14° / 7°
Wednesday
May 8
14° / 7°
Thursday
May 9
15° / 8°
Friday
May 10
13° / 8°
Saturday
May 11
19° / 12°
Sunday
May 12
16° / 10°
Monday
May 13
13° / 10°
Tuesday
May 14
13° / 8°
Wednesday
May 15
14° / 10°
Thursday
May 16
15° / 10°
Friday
May 17
16° / 9°
Saturday
May 18
15° / 8°
Sunday
May 19
16° / 10°
Monday
May 20
16° / 9°
Tuesday
May 21
16° / 8°
Wednesday
May 22
15° / 8°
Thursday
May 23
16° / 8°
Friday
May 24
18° / 9°
Saturday
May 25
15° / 8°
Sunday
May 26
15° / 8°
Monday
May 27
16° / 7°
Tuesday
May 28
17° / 9°
Wednesday
May 29
17° / 8°
Thursday
May 30
17° / 8°
Friday
May 31
18° / 9°
Carmarthen 30 days weather forecast
Check out our estimated 30 days weather forecast for Carmarthen, this data is based on the average weather in Carmarthen in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Carmarthen next to the desired date.