Climate of Greencastle

Greencastle has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Greencastle is 12° degrees and there is about 508 mm of rain in a year. It is dry for 105 days a year with an average humidity of 86% 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 3°C and 11°C
Rain: it rains 212 days and there is a total of approximately 508 mm rainfall
Snow: it snows an average of 8 days per year
Sun hours: throughout the year there are 1968 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 3°C and 11°C
Dry days:	145 days
Days with rain:	212 days
Days with snow:	8 days
Total rain sum:	508 mm
Hours of sunshine:	1968 hours

Climate of Greencastle
Temperature graph
Precipitation graph
Climate chart of Greencastle
The best travel time for Greencastle
Climate of Greencastle by month
Experiences with the weather of Greencastle

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Greencastle.

Precipitation graph

This graph shows the average amount of rainfall per month for Greencastle.

Climate table of Greencastle

In this climate table you can see at a glance what the average weather per month is for Greencastle. 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 Greencastle 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	16	15	13	9	7
Night temp. (°C)	3	3	3	5	7	10	11	11	10	9	6	4
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Precipitation (mm)	42	38	44	30	33	42	44	49	34	48	56	48
Days with rain	18	16	17	16	17	18	20	23	16	17	18	16
Days with snow	3	2	1	-	-	-	-	-	-	-	1	1
Dry days	10	10	13	14	14	12	11	8	14	14	11	14
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sun hours per day	4	4	5	7	7	8	7	7	6	4	4	4
Wind force (Bft)	4	4	3	3	3	3	3	3	3	3	4	4
UV-index	2	2	2	3	4	4	3	4	3	3	2	2

Best time to visit Greencastle

The best time to visit Greencastle in Northern Ireland is June. In this period you have a mild temperature and almost no precipitation. The highest average temperature in Greencastle is 17°C in July and the lowest is 7°C in January.

Climate of Greencastle by month

What is the average climate in a given month for Greencastle? 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.

January