New Mill weather
The New Mill weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for holidays in New Mill, Hertfordshire, England in 2026/2027.
New Mill weather averages
Check the New Mill 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 New Mill, Hertfordshire, England.
New Mill weather by month
Check the weather for New Mill, Hertfordshire, England 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.
New Mill weather in January
The average maximum daytime temperature in New Mill in January is a cold 7°C (45°F), while the average minimum night-time temperature is a cold 1°C (34°F). You can expect on average 2 hours of sunshine a day in New Mill during January.
- 7°C max day temperature
7 - 2 hours of sunshine per day
2 - 16 days with some rainfall
16 - 1°C min night temperature
1 - 69 mm of monthly rainfall
69
On average 69 mm (2.7 inches) of rain normally falls in New Mill during January with rain falling on 16 days of the month.
New Mill weather in February
The average maximum daytime temperature in New Mill in February is a cold 7°C (45°F), while the average minimum night-time temperature is a cold 1°C (34°F). You can expect on average 2 hours of sunshine a day in New Mill during February.
- 7°C max day temperature7
- 2 hours of sunshine per day2
- 14 days with some rainfall
14 - 1°C min night temperature1
- 46 mm of monthly rainfall
46
On average 46 mm (1.8 inches) of rain normally falls in New Mill during February with rain falling on 14 days of the month.
New Mill weather in March
The average maximum daytime temperature in New Mill in March is a cool 10°C (50°F), while the average minimum night-time temperature is a cold 3°C (37°F). You can expect on average 3 hours of sunshine a day in New Mill during March.
- 10°C max day temperature
10 - 3 hours of sunshine per day
3 - 15 days with some rainfall15
- 3°C min night temperature3
- 54 mm of monthly rainfall54
On average 54 mm (2.1 inches) of rain normally falls in New Mill during March with rain falling on 15 days of the month.
New Mill weather in April
The average maximum daytime temperature in New Mill 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 New Mill during April.
- 12°C max day temperature
12 - 5 hours of sunshine per day
5 - 13 days with some rainfall13
- 4°C min night temperature4
- 52 mm of monthly rainfall52
On average 52 mm (2 inches) of rain normally falls in New Mill during April with rain falling on 13 days of the month.
New Mill weather in May
The average maximum daytime temperature in New Mill in May is a comfortable 16°C (61°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 New Mill during May.
- 16°C max day temperature
16 - 6 hours of sunshine per day
6 - 13 days with some rainfall13
- 7°C min night temperature7
- 54 mm of monthly rainfall54
On average 54 mm (2.1 inches) of rain normally falls in New Mill during May with rain falling on 13 days of the month.
New Mill weather in June
The average maximum daytime temperature in New Mill in June is a comfortable 19°C (66°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 7 hours of sunshine a day in New Mill during June.
- 19°C max day temperature
19 - 7 hours of sunshine per day
7 - 12 days with some rainfall
12 - 9°C min night temperature9
- 59 mm of monthly rainfall59
On average 59 mm (2.3 inches) of rain normally falls in New Mill during June with rain falling on 12 days of the month.
New Mill weather in July
The average maximum daytime temperature in New Mill in July is a warm 22°C (72°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 New Mill during July.
- 22°C max day temperature
22 - 6 hours of sunshine per day6
- 11 days with some rainfall11
- 12°C min night temperature12
- 45 mm of monthly rainfall45
On average 45 mm (1.8 inches) of rain normally falls in New Mill during July with rain falling on 11 days of the month.
New Mill weather in August
The average maximum daytime temperature in New Mill in August is a warm 22°C (72°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 New Mill during August.
- 22°C max day temperature22
- 6 hours of sunshine per day6
- 12 days with some rainfall12
- 12°C min night temperature12
- 56 mm of monthly rainfall56
On average 56 mm (2.2 inches) of rain normally falls in New Mill during August with rain falling on 12 days of the month.
New Mill weather in September
The average maximum daytime temperature in New Mill in September is a comfortable 18°C (64°F), while the average minimum night-time temperature is a cool 9°C (48°F). You can expect on average 5 hours of sunshine a day in New Mill during September.
- 18°C max day temperature18
- 5 hours of sunshine per day5
- 12 days with some rainfall12
- 9°C min night temperature9
- 61 mm of monthly rainfall61
On average 61 mm (2.4 inches) of rain normally falls in New Mill during September with rain falling on 12 days of the month.
New Mill weather in October
The average maximum daytime temperature in New Mill in October is a comfortable 14°C (57°F), while the average minimum night-time temperature is a cold 7°C (45°F). You can expect on average 3 hours of sunshine a day in New Mill during October.
- 14°C max day temperature14
- 3 hours of sunshine per day3
- 14 days with some rainfall14
- 7°C min night temperature7
- 71 mm of monthly rainfall71
On average 71 mm (2.8 inches) of rain normally falls in New Mill during October with rain falling on 14 days of the month.
New Mill weather in November
The average maximum daytime temperature in New Mill in November is a cool 10°C (50°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 New Mill during November.
- 10°C max day temperature10
- 2 hours of sunshine per day2
- 15 days with some rainfall15
- 3°C min night temperature3
- 63 mm of monthly rainfall63
On average 63 mm (2.5 inches) of rain normally falls in New Mill during November with rain falling on 15 days of the month.
New Mill weather in December
The average maximum daytime temperature in New Mill in December 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 1 hours of sunshine a day in New Mill during December.
- 7°C max day temperature7
- 1 hour of sunshine per day
1 - 16 days with some rainfall16
- 2°C min night temperature2
- 71 mm of monthly rainfall71
On average 71 mm (2.8 inches) of rain normally falls in New Mill during December with rain falling on 16 days of the month.