Climate of Islay

Islay has a moderate climate. There is a lot of rainfall in the summer, and in the winter it is quite dry again. The average annual temperature for Islay is 23° degrees and there is about 520 mm of rain in a year. It is dry for 170 days a year with an average humidity of 77% and an UV-index of 5.

Climate averages for the whole year

Day: the average daily temperature during the day is between 20°C and 26°C
Night:the average nighttime temperature is between 10°C and 18°C
Rain: it rains 169 days and there is a total of approximately 518 mm rainfall
Sun hours: throughout the year there are 2600 sun hours

Maximum temperature:	between 20°C and 26°C
Warmest month:	26°C in January
Coldest month:	20°C in July
Night temperature:	between 10°C and 18°C
Dry days:	196 days
Days with rain:	169 days
Days with snow:	0 days
Total rain sum:	518 mm
Hours of sunshine:	2600 hours

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

Temperature graph

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

Precipitation graph

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

Climate table of Islay

In this climate table you can see at a glance what the average weather per month is for Islay. 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 Islay might be like in a given month.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Day temp. (°C)	26	26	26	23	23	21	20	22	23	23	24	25
Night temp. (°C)	18	18	17	14	12	10	10	11	13	14	15	17
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Precipitation (mm)	71	62	58	51	21	5	13	17	24	53	62	81
Days with rain	22	19	19	13	8	3	6	6	11	18	20	24
Dry days	9	9	12	17	23	27	25	25	19	13	10	7
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sun hours per day	7	8	8	6	7	7	7	7	7	8	7	7
Wind force (Bft)	2	2	2	2	2	2	2	2	2	2	2	2
UV-index	6	6	5	5	4	4	5	5	5	4	5	5

Best time to visit Islay

The best time to visit Islay in South Africa is from January through December. In this period you have a pleasant temperature and little precipitation. The highest average temperature in Islay is 26°C in January and the lowest is 20°C in July.

Climate of Islay by month

What is the average climate in a given month for Islay? 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