Weather in Capital Region

Calculated from weather data of Reykjavik Airport (BIRK) between 2020 and 2024.

Maximum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	2.5	2.7	1.3	3.3	1.6	2.7
February	3.1	1.7	4.9	0.9	4.4	2.2
March	3.7	4.7	1.8	4.4	4.5	2.2
April	7.1	6.5	8.5	7.5	5.9	6.9
May	9.6		9.5	10.5	8.6	9.5
June	12.0		12.3	12.0	10.8	12.8
July	13.8		15.0	12.9	13.4	12.9
August	13.6		15.5	12.9	14.5	13.5
September	11.1		11.8	12.0	10.5	9.6
October	7.6		8.3	7.2	8.0	7.7
November	4.7		5.5	7.5	4.2	4.0
December	2.6		1.5	-1.8	3.2	3.9
Average	7.2	3.9	8.0	7.8	7.5	7.3

3rd highest temperature of Iceland

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	-3.6	-2	-5	-1	-3	-2
February	-2.6	-4	0	-4	1	-2
March	-2.8	-1	-4	0	0	-2
April	2.0	0	3	3	1	1
May	4.6		6	5	3	5
June	7.3		8	8	7	8
July	9.3		9	9	10	9
August	8.9		9	8	11	9
September	6.2		6	7	7	5
October	3.2		3	3	3	4
November	0.5		1	3	0	0
December	-2.1		-4	-6	-1	0
Average	2.4	-2.5	2.6	3.2	3.2	2.8

6th lowest temperature of Iceland

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Cold and hot days

Number of days	2024	2023	2022	2021	2020
30 °C or warmer	0	0	0	0	0
25 °C or warmer	0	0	0	0	0
20 °C or warmer	0	1	0	0	1
0 °C or colder	67	96	88	88	103

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	28.2	36	21	43	10	29
February	27.1	16	43	33	16	22
March	21.5	19	10	38	27	20
April	26.0	15	29	22	22	29
May	22.2		35	16	12	20
June	21.3		26	19	24	19
July	16.2		4	18	18	13
August	17.1		14	19	17	26
September	22.9		20	18	31	25
October	18.9		17	16	19	17
November	17.1		9	17	27	18
December	18.1		20	9	22	14
Average	21.0	19.3	20.6	21.4	20.2	20.8

Precipitation during daylight period

Percentage of observations with observed rain, drizzle, snow or hail. Only observations between sunrise and sunset are taken into account.

Wind speed (km/h)

Month	Average	2024	2023	2022	2021	2020
January	23.5	24	19	32	24	28
February	23.6	18	30	24	22	22
March	21.3	21	18	24	22	25
April	20.6	18	19	18	20	22
May	19.9		24	17	18	20
June	17.1		16	18	18	17
July	15.4		15	17	16	15
August	16.6		13	21	15	16
September	19.5		19	15	23	22
October	19.5		19	18	21	18
November	19.0		16	20	21	21
December	18.8		17	12	18	25
Average	19.1	19.8	18.3	19.0	19.2	19.7

4th highest wind speed of Iceland

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month	2024	2023	2022	2021	2020
January	S	S	SW	NE	S
February	E	S	E	SE	E
March	E	NE	SE	E	SE
April	NE	SE	E	SE	SE
May		SW	NE	E	S
June		SW	NW	SE	S
July		N	W	S	NW
August		NW	NE	S	S
September		SE	NE	S	S
October		E	NE	NE	E
November		E	E	E	SE
December		SE	E	SE	NE

Prevailing wind direction

Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.

Capital Region weather Q&A

What is the warmest month in Capital Region?

The warmest month is July with an average temperature of 14 °C over the past years.

What is the coldest month in Capital Region?

The coldest month is January with an average daytime temperature of 3 °C in the past few years.

Which month is the wettest in Capital Region?

Chance of precipitation is the highest in January with a probability of around 28.3 %.

Which month is the driest in Capital Region?

The least rainfall and snow can be expected in July. The probability is about 16.3 %.