What’s the climate like in New Castle?
The current climate of New Castle features average monthly temperatures ranging from highs of 28°C during the day to lows of 2°C. The average yearly temperature is around 15°C. At night, temperatures in the colder months average around -7°C and in the warmer months around 18°C.
The highest temperature recorded in New Castle in recent years was 36°C in June 2021. The lowest daytime temperature recorded was -15°C in December 2017.
On average, New Castle gets 1251 mm of precipitation each year. Of this, about 143 cm is snowfall. For comparison, London gets 701 mm of precipitation each year.
Best time to visit New Castle?
The best time to visit New Castle for pleasant to warm weather is May, June and August through October. There might be some rain during this period, but the temperatures are just right for exploring New Castle.
Climate Table of New Castle
The climate table of New Castle shows the average temperatures, precipitation, snow, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 2 | 3 | 7 | 13 | 20 | 25 | 28 | 27 | 23 | 17 | 10 | 5 |
| Temp. min (°C) | -6 | -6 | -2 | 4 | 9 | 15 | 18 | 17 | 14 | 8 | 1 | -3 |
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| Precipitation (mm) | 66 | 125 | 67 | 91 | 60 | 142 | 168 | 139 | 74 | 135 | 80 | 104 |
| Snow (cm) | 30 | 79 | 16 | 1,3 | 0 | 0 | 0 | 0 | 0 | 0,1 | 1,1 | 15 |
| UV Index | 3 | 4 | 6 | 6 | 7 | 6 | 7 | 7 | 6 | 3 | 4 | 2 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
- Average yearly temperature: 15°C
- Highest temperature: 28°C in July
- Lowest temperature: 2°C in January
- Precipitation*: 1251 mm per year, averaging 104 mm per month
- Snowfall: 143 cm per year
- Driest months: 60 mm in May, 66 mm in January and 67 mm in March
- Wettest months: 168 mm in July, 142 mm in June and 139 mm in August
*Precipitation is measured as a combination of rain, snow, and hail
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Table of Contents
Average Temperature per Month in New Castle
This graph shows the average maximum temperatures per month in New Castle, New Hampshire. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in New Castle
This graph shows how much precipitation New Castle, New Hampshire, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average Snowfall per Month in New Castle
This graph shows how much snow New Castle, New Hampshire, gets on average per month. The amount of snowfall is measured in centimetres and the average is calculated based on the recorded snowfall per month from past years.
Average UV Index per Month in New Castle
This graph shows the average UV index per month in New Castle, New Hampshire. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in New Castle
This graph shows the average yearly temperature in New Castle, New Hampshire. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in New Castle
This chart shows the total yearly precipitation in New Castle, New Hampshire, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Total Yearly Snowfall in New Castle
This chart shows the total yearly snowfall in New Castle, New Hampshire, over the past few years. The total yearly snowfall, measured in centimetres, is the sum of all the snow that fell in the twelve months of that year.
Weather experiences in New Castle
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Average Weather in New Castle by Month
Click on a month below to see detailed weather info for New Castle. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
