Climate of Johnstown
Johnstown has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Johnstown is 12° degrees and there is about 139 mm of rain in a year. It is dry for 167 days a year with an average humidity of 89% and an UV-index of 3.
Climate averages for the whole year
- Day: the average daily temperature during the day is between 7°C and 17°C
- Night:the average nighttime temperature is between 2°C and 11°C
- Rain: it rains 125 days and there is a total of approximately 140 mm rainfall
- Snow: it snows an average of 9 days per year
- Sun hours: throughout the year there are 1782 sun hours
Maximum temperature: | between 7°C and 17°C |
Warmest month: | 17°C in July |
Coldest month: | 7°C in January |
Night temperature: | between 2°C and 11°C |
Dry days: | 231 days |
Days with rain: | 125 days |
Days with snow: | 9 days |
Total rain sum: | 140 mm |
Hours of sunshine: | 1782 hours |
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Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Johnstown.
Precipitation graph
This graph shows the average amount of rainfall per month for Johnstown.
Climate table of Johnstown
In this climate table you can see at a glance what the average weather per month is for Johnstown. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Johnstown might be like in a given month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Day temp. (°C) | 7 | 7 | 9 | 11 | 13 | 16 | 17 | 17 | 15 | 13 | 9 | 7 |
Night temp. (°C) | 2 | 2 | 2 | 4 | 6 | 9 | 11 | 10 | 9 | 7 | 4 | 3 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Precipitation (mm) | 10 | 9 | 13 | 13 | 10 | 11 | 12 | 12 | 8 | 10 | 17 | 15 |
Days with rain | 10 | 9 | 11 | 12 | 10 | 11 | 14 | 11 | 9 | 8 | 10 | 10 |
Days with snow | 2 | 2 | 2 | 1 | - | - | - | - | - | - | - | 2 |
Dry days | 19 | 17 | 18 | 17 | 21 | 19 | 17 | 20 | 21 | 23 | 20 | 19 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Sun hours per day | 4 | 4 | 5 | 6 | 6 | 6 | 5 | 6 | 6 | 4 | 4 | 4 |
Wind force (Bft) | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 |
UV-index | 2 | 2 | 2 | 3 | 3 | 4 | 3 | 4 | 3 | 3 | 2 | 2 |
Best time to visit Johnstown
The best time to visit Johnstown in Ireland is in July and August. In this period you have a pleasant temperature and almost no precipitation. The highest average temperature in Johnstown is 17°C in July and the lowest is 7°C in January.
Climate of Johnstown by month
What is the average climate in a given month for Johnstown? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.
Johnstown weather experiences
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