Llanbister weather

The Llanbister weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in Llanbister, Powys, Wales in 2026/2027.

• Llanbister weather averages
• Llanbister weather by month
• Back to Powys
• Back to Wales

Llanbister weather averages

Check the Llanbister 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 Llanbister, Powys, Wales.

Back to top

Llanbister weather by month

Check the weather for Llanbister, 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.

• January
• February
• March
• April
• May
• June
• July
• August
• September
• October
• November
• December

Back to top

Llanbister weather in January

The average maximum daytime temperature in Llanbister in January is a cold 5°C (41°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 Llanbister during January.

• 5
  5°C max day temperature
• 1
  1 hour of sunshine per day
• 20
  20 days with some rainfall
• 1
  1°C min night temperature
• 137
  137 mm of monthly rainfall

On average 137 mm (5.4 inches) of rain normally falls in Llanbister during January with rain falling on 20 days of the month.

Back to months

Llanbister weather in February

The average maximum daytime temperature in Llanbister 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 Llanbister during February.

• 6
  6°C max day temperature
• 2
  2 hours of sunshine per day
• 17
  17 days with some rainfall
• 0
  0°C min night temperature
• 103
  103 mm of monthly rainfall

On average 103 mm (4.1 inches) of rain normally falls in Llanbister during February with rain falling on 17 days of the month.

Back to months

Llanbister weather in March

The average maximum daytime temperature in Llanbister 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 Llanbister during March.

• 8
  8°C max day temperature
• 3
  3 hours of sunshine per day
• 19
  19 days with some rainfall
• 2
  2°C min night temperature
• 102
  102 mm of monthly rainfall

On average 102 mm (4 inches) of rain normally falls in Llanbister during March with rain falling on 19 days of the month.

Back to months

Llanbister weather in April

The average maximum daytime temperature in Llanbister 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 Llanbister during April.

• 11
  11°C max day temperature
• 4
  4 hours of sunshine per day
• 16
  16 days with some rainfall
• 3
  3°C min night temperature
• 75
  75 mm of monthly rainfall

On average 75 mm (3 inches) of rain normally falls in Llanbister during April with rain falling on 16 days of the month.

Back to months

Llanbister weather in May

The average maximum daytime temperature in Llanbister in May is a comfortable 14°C (57°F), while the average minimum night-time temperature is a cold 6°C (43°F). You can expect on average 5 hours of sunshine a day in Llanbister during May.

• 14
  14°C max day temperature
• 5
  5 hours of sunshine per day
• 15
  15 days with some rainfall
• 6
  6°C min night temperature
• 73
  73 mm of monthly rainfall

On average 73 mm (2.9 inches) of rain normally falls in Llanbister during May with rain falling on 15 days of the month.

Back to months

Llanbister weather in June

The average maximum daytime temperature in Llanbister 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 Llanbister during June.

• 17
  17°C max day temperature
• 6
  6 hours of sunshine per day
• 15
  15 days with some rainfall
• 8
  8°C min night temperature
• 68
  68 mm of monthly rainfall

On average 68 mm (2.7 inches) of rain normally falls in Llanbister during June with rain falling on 15 days of the month.

Back to months

Llanbister weather in July

The average maximum daytime temperature in Llanbister in July is a comfortable 19°C (66°F), while the average minimum night-time temperature is a cool 11°C (52°F). You can expect on average 5 hours of sunshine a day in Llanbister during July.

• 19
  19°C max day temperature
• 5
  5 hours of sunshine per day
• 14
  14 days with some rainfall
• 11
  11°C min night temperature
• 56
  56 mm of monthly rainfall

On average 56 mm (2.2 inches) of rain normally falls in Llanbister during July with rain falling on 14 days of the month.

Back to months

Llanbister weather in August

The average maximum daytime temperature in Llanbister 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 Llanbister during August.

• 19
  19°C max day temperature
• 5
  5 hours of sunshine per day
• 16
  16 days with some rainfall
• 10
  10°C min night temperature
• 80
  80 mm of monthly rainfall

On average 80 mm (3.1 inches) of rain normally falls in Llanbister during August with rain falling on 16 days of the month.

Back to months

Llanbister weather in September

The average maximum daytime temperature in Llanbister 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 Llanbister during September.

• 16
  16°C max day temperature
• 4
  4 hours of sunshine per day
• 16
  16 days with some rainfall
• 8
  8°C min night temperature
• 95
  95 mm of monthly rainfall

On average 95 mm (3.7 inches) of rain normally falls in Llanbister during September with rain falling on 16 days of the month.

Back to months

Llanbister weather in October

The average maximum daytime temperature in Llanbister 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 Llanbister during October.

• 12
  12°C max day temperature
• 3
  3 hours of sunshine per day
• 19
  19 days with some rainfall
• 6
  6°C min night temperature
• 106
  106 mm of monthly rainfall

On average 106 mm (4.2 inches) of rain normally falls in Llanbister during October with rain falling on 19 days of the month.

Back to months

Llanbister weather in November

The average maximum daytime temperature in Llanbister 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 Llanbister during November.

• 8
  8°C max day temperature
• 2
  2 hours of sunshine per day
• 20
  20 days with some rainfall
• 3
  3°C min night temperature
• 117
  117 mm of monthly rainfall

On average 117 mm (4.6 inches) of rain normally falls in Llanbister during November with rain falling on 20 days of the month.

Back to months

Llanbister weather in December

The average maximum daytime temperature in Llanbister in December is a cold 6°C (43°F), while the average minimum night-time temperature is a cold 2°C (36°F). You can expect on average 1 hours of sunshine a day in Llanbister during December.

• 6
  6°C max day temperature
• 1
  1 hour of sunshine per day
• 20
  20 days with some rainfall
• 2
  2°C min night temperature
• 133
  133 mm of monthly rainfall

On average 133 mm (5.2 inches) of rain normally falls in Llanbister during December with rain falling on 20 days of the month.

Back to months