Ammanford weather
The Ammanford weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in Ammanford, Carmarthenshire, Wales in 2026/2027.
Ammanford weather averages
Check the Ammanford weather averages for each month of the year including maximum daytime and minimum night-time temperatures, monthly rainfall, number of days with rain and average daily hours of sunshine for Ammanford, Carmarthenshire, Wales.
Ammanford weather by month
Check the weather for Ammanford, Carmarthenshire, Wales for a particular month by selecting from the list below. This gives the best indication of what to expect from the weather months in advance.
Ammanford weather in January
The average maximum daytime temperature in Ammanford in January is a cold 7°C (45°F), while the average minimum night-time temperature is a cold 2°C (36°F). You can expect on average 2 hours of sunshine a day in Ammanford during January.
- 7°C max day temperature
7 - 2 hours of sunshine per day
2 - 20 days with some rainfall
20 - 2°C min night temperature
2 - 161 mm of monthly rainfall
161
On average 161 mm (6.3 inches) of rain normally falls in Ammanford during January with rain falling on 20 days of the month.
Ammanford weather in February
The average maximum daytime temperature in Ammanford in February is a cool 8°C (46°F), while the average minimum night-time temperature is a cold 2°C (36°F). You can expect on average 3 hours of sunshine a day in Ammanford during February.
- 8°C max day temperature
8 - 3 hours of sunshine per day
3 - 16 days with some rainfall
16 - 2°C min night temperature2
- 112 mm of monthly rainfall
112
On average 112 mm (4.4 inches) of rain normally falls in Ammanford during February with rain falling on 16 days of the month.
Ammanford weather in March
The average maximum daytime temperature in Ammanford in March is a cool 9°C (48°F), while the average minimum night-time temperature is a cold 3°C (37°F). You can expect on average 4 hours of sunshine a day in Ammanford during March.
- 9°C max day temperature9
- 4 hours of sunshine per day
4 - 17 days with some rainfall17
- 3°C min night temperature3
- 114 mm of monthly rainfall114
On average 114 mm (4.5 inches) of rain normally falls in Ammanford during March with rain falling on 17 days of the month.
Ammanford weather in April
The average maximum daytime temperature in Ammanford in April is a cool 12°C (54°F), while the average minimum night-time temperature is a cold 4°C (39°F). You can expect on average 5 hours of sunshine a day in Ammanford during April.
- 12°C max day temperature
12 - 5 hours of sunshine per day
5 - 14 days with some rainfall
14 - 4°C min night temperature4
- 84 mm of monthly rainfall
84
On average 84 mm (3.3 inches) of rain normally falls in Ammanford during April with rain falling on 14 days of the month.
Ammanford weather in May
The average maximum daytime temperature in Ammanford in May is a comfortable 15°C (59°F), while the average minimum night-time temperature is a cold 7°C (45°F). You can expect on average 6 hours of sunshine a day in Ammanford during May.
- 15°C max day temperature
15 - 6 hours of sunshine per day
6 - 13 days with some rainfall13
- 7°C min night temperature7
- 79 mm of monthly rainfall
79
On average 79 mm (3.1 inches) of rain normally falls in Ammanford during May with rain falling on 13 days of the month.
Ammanford weather in June
The average maximum daytime temperature in Ammanford in June is a comfortable 17°C (63°F), while the average minimum night-time temperature is a cool 10°C (50°F). You can expect on average 6 hours of sunshine a day in Ammanford during June.
- 17°C max day temperature17
- 6 hours of sunshine per day6
- 14 days with some rainfall14
- 10°C min night temperature10
- 97 mm of monthly rainfall97
On average 97 mm (3.8 inches) of rain normally falls in Ammanford during June with rain falling on 14 days of the month.
Ammanford weather in July
The average maximum daytime temperature in Ammanford in July is a comfortable 20°C (68°F), while the average minimum night-time temperature is a cool 12°C (54°F). You can expect on average 6 hours of sunshine a day in Ammanford during July.
- 20°C max day temperature
20 - 6 hours of sunshine per day6
- 13 days with some rainfall13
- 12°C min night temperature12
- 86 mm of monthly rainfall86
On average 86 mm (3.4 inches) of rain normally falls in Ammanford during July with rain falling on 13 days of the month.
Ammanford weather in August
The average maximum daytime temperature in Ammanford in August is a comfortable 19°C (66°F), while the average minimum night-time temperature is a cool 12°C (54°F). You can expect on average 6 hours of sunshine a day in Ammanford during August.
- 19°C max day temperature19
- 6 hours of sunshine per day6
- 15 days with some rainfall15
- 12°C min night temperature12
- 124 mm of monthly rainfall
124
On average 124 mm (4.9 inches) of rain normally falls in Ammanford during August with rain falling on 15 days of the month.
Ammanford weather in September
The average maximum daytime temperature in Ammanford in September is a comfortable 17°C (63°F), while the average minimum night-time temperature is a cool 10°C (50°F). You can expect on average 4 hours of sunshine a day in Ammanford during September.
- 17°C max day temperature17
- 4 hours of sunshine per day4
- 16 days with some rainfall16
- 10°C min night temperature10
- 131 mm of monthly rainfall131
On average 131 mm (5.2 inches) of rain normally falls in Ammanford during September with rain falling on 16 days of the month.
Ammanford weather in October
The average maximum daytime temperature in Ammanford in October is a comfortable 14°C (57°F), while the average minimum night-time temperature is a cool 8°C (46°F). You can expect on average 3 hours of sunshine a day in Ammanford during October.
- 14°C max day temperature14
- 3 hours of sunshine per day3
- 19 days with some rainfall19
- 8°C min night temperature8
- 157 mm of monthly rainfall
157
On average 157 mm (6.2 inches) of rain normally falls in Ammanford during October with rain falling on 19 days of the month.
Ammanford weather in November
The average maximum daytime temperature in Ammanford in November is a cool 10°C (50°F), while the average minimum night-time temperature is a cold 4°C (39°F). You can expect on average 2 hours of sunshine a day in Ammanford during November.
- 10°C max day temperature10
- 2 hours of sunshine per day2
- 20 days with some rainfall20
- 4°C min night temperature4
- 167 mm of monthly rainfall167
On average 167 mm (6.6 inches) of rain normally falls in Ammanford during November with rain falling on 20 days of the month.
Ammanford weather in December
The average maximum daytime temperature in Ammanford in December is a cool 8°C (46°F), while the average minimum night-time temperature is a cold 3°C (37°F). You can expect on average 2 hours of sunshine a day in Ammanford during December.
- 8°C max day temperature8
- 2 hours of sunshine per day2
- 20 days with some rainfall20
- 3°C min night temperature3
- 169 mm of monthly rainfall169
On average 169 mm (6.7 inches) of rain normally falls in Ammanford during December with rain falling on 20 days of the month.