Highest Daily Low Temperatures in Reykjavík History

This is a list of the hottest daily low temperatures ever recorded in Reykjavík, Iceland history from 1949–2024 based on data from the NOAA.

Highest temperatures all-time

Record for the highest daily low temperature in Reykjavík

The highest low temperature for a calendar day in Reykjavík, Iceland history was 18.2 °C which happened on Thursday, July 31, 1980.

Rank	Temperature	Date
1	18.2 °C	July 31, 1980
2	15.4 °C	August 11, 2004
3	14.4 °C	July 8, 1991
4	14.3 °C	August 15, 2010
4	14.3 °C	August 14, 1997
6	14.2 °C	August 12, 2004
7	14.0 °C	August 14, 1977
8	13.9 °C	August 13, 2012
9	13.8 °C	August 1, 1980
10	13.7 °C	July 7, 1991
11	13.5 °C	July 22, 2014
11	13.5 °C	August 11, 2012
11	13.5 °C	July 31, 2008
14	13.4 °C	September 3, 2010
14	13.4 °C	July 9, 1991
16	13.3 °C	September 13, 2002
17	13.1 °C	August 25, 2021
17	13.1 °C	September 4, 2010
17	13.1 °C	August 10, 2004
17	13.1 °C	August 5, 1950