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Reykjavík August Weather

Averages and records for weather in Reykjavík, Iceland in the month of August.

Typical Reykjavík August Weather 1991–2020
Average daily high	14.1 °C
Average daily low	8.7 °C
Average monthly precipitation	6.6 cm
Daily chance of precipitation	60.2%

Reykjavík August Weather Records 1949–2024
Highest temperature	24.8 °C	August 11, 2004
Lowest temperature	-0.4 °C	August 27, 1956
Highest daily low	15.4 °C	August 11, 2004
Lowest daily high	7.4 °C	August 28, 1992
Hottest average high temperature	15.8 °C	2004
Coldest average high temperature	10.6 °C	1983
Most daily precipitation	4.2 cm	August 10, 1984
Most monthly precipitation	14.9 cm	1976

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°C)		Record (°C)
Day	High	Low	High	Low
August 1	15.0	9.3	23.5	4.0
August 2	14.9	9.3	23.6	-0.1
August 3	14.9	9.2	17.5	3.8
August 4	14.9	9.2	18.2	3.2
August 5	14.8	9.2	20.0	4.1
August 6	14.8	9.1	18.7	4.2
August 7	14.8	9.1	17.3	4.7
August 8	14.8	9.1	19.0	3.0
August 9	14.7	9.1	20.7	2.0
August 10	14.7	9.0	20.9	3.7
August 11	14.6	9.0	24.8	3.6
August 12	14.5	8.9	22.2	2.7
August 13	14.4	8.8	19.5	4.8
August 14	14.3	8.8	19.5	3.3
August 15	14.2	8.7	19.1	4.0
August 16	14.2	8.6	21.3	3.0
August 17	14.1	8.6	20.4	4.0
August 18	14.0	8.5	18.9	2.4
August 19	14.0	8.5	19.7	2.5
August 20	13.9	8.4	19.7	2.2
August 21	13.9	8.4	19.6	3.4
August 22	13.8	8.3	18.4	2.5
August 23	13.8	8.3	18.4	2.1
August 24	13.7	8.2	17.5	3.6
August 25	13.6	8.2	20.7	1.0
August 26	13.5	8.1	18.8	0.7
August 27	13.4	8.0	17.2	-0.4
August 28	13.3	7.9	16.6	1.2
August 29	13.2	7.9	15.3	2.3
August 30	13.1	7.8	16.6	2.7
August 31	13.1	7.6	17.2	1.5

Weather Station Details

Years	Station	Coordinates
1949–2024	Reykjavik	location