Newtown weather
The Newtown weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in Newtown, Powys, Wales in 2026/2027.
Newtown weather averages
Check the Newtown 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 Newtown, Powys, Wales.
Newtown weather by month
Check the weather for Newtown, Powys, 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.
Newtown weather in January
The average maximum daytime temperature in Newtown in January is a cold 6°C (43°F), while the average minimum night-time temperature is a cold 0°C (32°F). You can expect on average 1 hours of sunshine a day in Newtown during January.
- 6°C max day temperature
6 - 1 hour of sunshine per day
1 - 20 days with some rainfall
20 - 0°C min night temperature
0 - 136 mm of monthly rainfall
136
On average 136 mm (5.4 inches) of rain normally falls in Newtown during January with rain falling on 20 days of the month.
Newtown weather in February
The average maximum daytime temperature in Newtown in February is a cold 6°C (43°F), while the average minimum night-time temperature is a cold 0°C (32°F). You can expect on average 2 hours of sunshine a day in Newtown during February.
- 6°C max day temperature
6 - 2 hours of sunshine per day
2 - 17 days with some rainfall
17 - 0°C min night temperature
0 - 101 mm of monthly rainfall
101
On average 101 mm (4 inches) of rain normally falls in Newtown during February with rain falling on 17 days of the month.
Newtown weather in March
The average maximum daytime temperature in Newtown in March 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 Newtown during March.
- 8°C max day temperature
8 - 3 hours of sunshine per day
3 - 18 days with some rainfall
18 - 2°C min night temperature
2 - 102 mm of monthly rainfall
102
On average 102 mm (4 inches) of rain normally falls in Newtown during March with rain falling on 18 days of the month.
Newtown weather in April
The average maximum daytime temperature in Newtown in April is a cool 11°C (52°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 Newtown during April.
- 11°C max day temperature
11 - 4 hours of sunshine per day
4 - 16 days with some rainfall
16 - 3°C min night temperature
3 - 79 mm of monthly rainfall
79
On average 79 mm (3.1 inches) of rain normally falls in Newtown during April with rain falling on 16 days of the month.
Newtown weather in May
The average maximum daytime temperature in Newtown in May is a comfortable 14°C (57°F), while the average minimum night-time temperature is a cold 5°C (41°F). You can expect on average 6 hours of sunshine a day in Newtown during May.
- 14°C max day temperature
14 - 6 hours of sunshine per day
6 - 15 days with some rainfall
15 - 5°C min night temperature
5 - 76 mm of monthly rainfall
76
On average 76 mm (3 inches) of rain normally falls in Newtown during May with rain falling on 15 days of the month.
Newtown weather in June
The average maximum daytime temperature in Newtown in June is a comfortable 17°C (63°F), while the average minimum night-time temperature is a cool 8°C (46°F). You can expect on average 6 hours of sunshine a day in Newtown during June.
- 17°C max day temperature
17 - 6 hours of sunshine per day
6 - 15 days with some rainfall
15 - 8°C min night temperature
8 - 69 mm of monthly rainfall
69
On average 69 mm (2.7 inches) of rain normally falls in Newtown during June with rain falling on 15 days of the month.
Newtown weather in July
The average maximum daytime temperature in Newtown in July is a comfortable 19°C (66°F), while the average minimum night-time temperature is a cool 10°C (50°F). You can expect on average 5 hours of sunshine a day in Newtown during July.
- 19°C max day temperature
19 - 5 hours of sunshine per day
5 - 14 days with some rainfall
14 - 10°C min night temperature
10 - 61 mm of monthly rainfall
61
On average 61 mm (2.4 inches) of rain normally falls in Newtown during July with rain falling on 14 days of the month.
Newtown weather in August
The average maximum daytime temperature in Newtown in August is a comfortable 19°C (66°F), while the average minimum night-time temperature is a cool 10°C (50°F). You can expect on average 5 hours of sunshine a day in Newtown during August.
- 19°C max day temperature
19 - 5 hours of sunshine per day
5 - 16 days with some rainfall
16 - 10°C min night temperature
10 - 82 mm of monthly rainfall
82
On average 82 mm (3.2 inches) of rain normally falls in Newtown during August with rain falling on 16 days of the month.
Newtown weather in September
The average maximum daytime temperature in Newtown in September is a comfortable 16°C (61°F), while the average minimum night-time temperature is a cool 8°C (46°F). You can expect on average 4 hours of sunshine a day in Newtown during September.
- 16°C max day temperature
16 - 4 hours of sunshine per day
4 - 16 days with some rainfall
16 - 8°C min night temperature
8 - 106 mm of monthly rainfall
106
On average 106 mm (4.2 inches) of rain normally falls in Newtown during September with rain falling on 16 days of the month.
Newtown weather in October
The average maximum daytime temperature in Newtown in October is a cool 12°C (54°F), while the average minimum night-time temperature is a cold 6°C (43°F). You can expect on average 3 hours of sunshine a day in Newtown during October.
- 12°C max day temperature
12 - 3 hours of sunshine per day
3 - 18 days with some rainfall
18 - 6°C min night temperature
6 - 111 mm of monthly rainfall
111
On average 111 mm (4.4 inches) of rain normally falls in Newtown during October with rain falling on 18 days of the month.
Newtown weather in November
The average maximum daytime temperature in Newtown in November 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 Newtown during November.
- 8°C max day temperature
8 - 2 hours of sunshine per day
2 - 20 days with some rainfall
20 - 3°C min night temperature
3 - 127 mm of monthly rainfall
127
On average 127 mm (5 inches) of rain normally falls in Newtown during November with rain falling on 20 days of the month.
Newtown weather in December
The average maximum daytime temperature in Newtown in December is a cold 6°C (43°F), while the average minimum night-time temperature is a cold 1°C (34°F). You can expect on average 1 hours of sunshine a day in Newtown during December.
- 6°C max day temperature
6 - 1 hour of sunshine per day
1 - 20 days with some rainfall
20 - 1°C min night temperature
1 - 141 mm of monthly rainfall
141
On average 141 mm (5.6 inches) of rain normally falls in Newtown during December with rain falling on 20 days of the month.
