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Monthly Data Tables - Day Maximum (09-21) / °C

Weather Variable:

Monthly Mean Day Maximum (09-21)
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
2026	7.5	10.3	12.8	17.1	21.3	24.5	27.0	-	-	-	-	-	17.2
2025	6.3	8.1	13.0	17.5	20.0	24.9	25.1	24.2	19.6	14.9	11.5	9.8	16.3
2024	7.4	11.4	12.2	14.4	19.2	21.0	22.7	23.7	19.1	15.4	10.1	8.8	15.4
2023	8.2	10.0	10.4	13.8	17.8	24.5	21.9	22.2	23.2	16.7	10.4	9.8	15.7
2022	7.9	10.5	12.5	14.9	19.2	22.3	26.2	25.8	19.3	17.4	12.2	7.0	16.3
2021	6.0	8.2	11.1	12.0	15.8	22.0	23.3	20.9	20.8	15.7	10.4	9.2	14.6
2020	9.3	10.1	11.0	17.3	20.2	21.5	22.6	24.1	20.4	14.1	11.9	7.8	15.9
2019	6.7	11.3	12.4	14.7	17.7	20.8	24.4	23.9	19.8	14.2	9.4	9.1	15.4
2018	8.5	5.6	8.7	15.0	20.4	23.4	27.2	23.2	19.9	15.5	11.3	9.8	15.7
2017	6.8	9.4	13.5	15.3	19.3	23.5	23.4	21.8	18.4	16.0	10.1	7.6	15.4
2016	8.6	8.5	10.1	13.0	18.6	20.1	23.2	23.5	21.4	15.0	9.9	9.7	15.1
2015	7.6	7.1	10.8	15.4	17.1	21.1	22.5	21.5	17.4	14.9	12.8	13.0	15.1
2014	9.0	9.7	13.5	16.0	17.7	21.6	24.7	20.9	20.1	16.5	11.6	8.0	15.8
2013	5.7	5.5	6.0	12.7	15.8	19.3	25.8	23.1	18.5	15.9	9.5	9.2	13.9
2012	8.7	7.2	13.6	12.6	17.5	19.0	21.0	22.9	18.9	13.3	9.9	7.9	14.4
2011	6.6	9.4	11.3	18.8	18.5	20.2	21.1	21.0	20.4	16.8	12.5	8.7	15.4
2010	3.6	5.7	10.4	15.6	16.7	22.7	24.3	20.5	18.3	14.1	8.2	3.0	13.6
2009	5.4	7.4	12.3	16.1	18.7	21.3	21.7	22.5	19.3	15.4	11.5	5.7	14.8
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Lowest	3.6	5.5	6.0	12.0	15.8	19.0	21.0	20.5	17.4	13.3	8.2	3.0	13.6
Highest	9.3	11.4	13.6	18.8	21.3	24.9	27.2	25.8	23.2	17.4	12.8	13.0	17.2
Mean	7.2	8.6	11.4	15.1	18.4	21.9	23.8	22.7	19.7	15.4	10.8	8.5	15.3

Day Maximum (09-21): monthly means for all months since 2009 in London, NW3.

Monthly Lowest Day Maximum (09-21)
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
2026	1.6	4.6	8.9	12.2	12.3	16.2	26.4	-	-	-	-	-	1.6
2025	1.1	4.4	6.8	11.4	13.2	15.8	20.4	20.8	15.4	10.2	3.3	3.1	1.1
2024	2.1	6.2	7.9	9.4	12.4	15.7	16.4	17.1	12.4	10.8	3.0	5.1	2.1
2023	0.7	6.9	2.2	10.2	12.3	15.9	16.9	17.0	17.0	9.8	4.1	-0.2	-0.2
2022	2.4	7.5	6.6	7.7	14.4	14.7	21.1	20.9	13.1	14.8	6.4	-0.1	-0.1
2021	1.1	-1.2	5.2	6.5	11.8	13.7	17.8	16.3	14.9	10.7	3.4	4.4	-1.2
2020	6.2	6.9	5.5	7.9	11.8	13.3	18.6	14.7	11.6	10.6	5.4	0.8	0.8
2019	1.8	1.9	9.1	8.2	10.7	11.8	18.6	16.9	15.8	9.7	5.4	5.7	1.8
2018	3.9	-1.8	-0.6	7.2	13.6	18.0	19.9	16.2	13.8	6.6	4.8	3.8	-1.8
2017	0.4	1.8	9.4	9.5	11.0	16.2	17.6	13.7	14.7	10.8	3.1	1.0	0.4
2016	3.6	4.7	6.2	8.5	12.2	12.4	18.6	19.0	16.1	12.6	5.5	3.4	3.4
2015	3.2	2.1	6.8	8.9	10.7	14.5	15.8	15.4	14.2	11.3	5.1	10.3	2.1
2014	4.3	6.9	7.2	12.0	11.4	14.4	17.3	16.2	17.5	12.7	7.4	3.6	3.6
2013	-0.8	1.1	0.2	2.7	8.9	14.1	18.0	18.8	12.9	10.8	4.7	4.2	-0.8
2012	1.7	0.3	7.4	8.8	8.7	11.2	15.7	16.8	11.8	7.6	4.1	0.8	0.3
2011	1.2	3.7	4.0	12.6	14.1	13.4	17.2	15.6	16.3	11.4	8.3	3.8	1.2
2010	0.1	1.7	5.0	8.6	8.2	13.6	20.0	17.3	13.4	7.9	0.6	-1.9	-1.9
2009	-2.0	0.2	7.9	9.9	12.8	12.8	18.0	17.9	15.5	12.1	5.8	0.6	-2.0
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Lowest	-2.0	-1.8	-0.6	2.7	8.2	11.2	15.7	13.7	11.6	6.6	0.6	-1.9	-2.0
Highest	6.2	7.5	9.4	12.6	14.4	18.0	26.4	20.9	17.5	14.8	8.3	10.3	3.6
Mean	1.8	3.2	5.9	9.0	11.7	14.3	18.6	17.1	14.5	10.6	4.7	2.8	0.6

Day Maximum (09-21): lowest daily value each month for all months since 2009 in London, NW3.

Monthly Highest Day Maximum (09-21)
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
2026	11.2	17.3	18.5	26.1	35.2	35.8	27.6	-	-	-	-	-	35.8
2025	12.2	14.7	19.6	25.5	28.7	33.2	34.1	31.8	26.8	20.1	17.3	14.3	34.1
2024	12.8	16.9	16.7	21.3	25.5	29.7	31.4	33.2	27.4	21.1	17.8	14.0	33.2
2023	13.6	14.4	15.9	18.8	21.9	31.3	29.5	27.4	31.7	23.9	14.9	14.8	31.7
2022	15.3	14.7	19.6	21.8	25.9	31.9	39.1	33.2	25.8	21.3	16.0	13.7	39.1
2021	12.3	15.8	23.6	16.9	23.7	28.8	31.7	24.8	28.4	19.7	14.6	14.7	31.7
2020	12.9	14.0	15.3	24.9	27.4	31.3	36.2	35.1	29.1	17.6	16.9	13.3	36.2
2019	11.7	18.1	19.3	24.0	24.1	33.6	36.8	32.0	25.2	18.9	14.9	12.9	36.8
2018	12.9	10.6	14.5	28.4	27.8	29.6	33.9	32.2	24.8	23.8	15.3	14.8	33.9
2017	11.0	17.1	21.3	25.2	26.7	33.0	31.2	27.9	22.4	22.1	15.6	13.7	33.0
2016	13.5	14.5	14.1	17.6	26.6	25.1	32.6	32.2	32.2	18.5	16.5	14.6	32.6
2015	14.8	11.3	15.8	24.2	21.7	29.4	34.2	30.0	20.8	18.8	17.3	16.0	34.2
2014	12.2	13.8	19.7	20.4	25.7	25.7	31.2	25.5	24.2	21.3	16.9	13.6	31.2
2013	13.5	10.2	15.3	22.4	21.2	26.3	32.7	32.8	28.1	20.4	14.6	12.8	32.8
2012	12.5	16.0	20.8	18.0	26.9	28.4	30.6	30.0	27.6	16.6	14.6	12.9	30.6
2011	13.3	14.2	17.7	26.5	24.5	31.9	26.4	29.6	27.4	27.1	17.4	12.9	31.9
2010	8.6	10.4	17.4	21.6	29.1	31.4	31.7	24.0	22.9	20.0	18.1	8.6	31.7
2009	9.9	14.0	16.4	20.5	25.3	29.4	29.5	28.7	27.1	18.4	16.1	11.6	29.5
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Lowest	8.6	10.2	14.1	16.9	21.2	25.1	26.4	24.0	20.8	16.6	14.6	8.6	29.5
Highest	15.3	18.1	23.6	28.4	35.2	35.8	39.1	35.1	32.2	27.1	18.1	16.0	39.1
Mean	12.5	14.3	17.9	22.4	26.0	30.3	32.2	30.0	26.6	20.6	16.2	13.5	33.3

Day Maximum (09-21): highest daily value each month for all months since 2009 in London, NW3.