Ramona, CA: May

31 May 2026: May 2026 averaged 62.3°F in Ramona, CA, the warmest May since 2025, tied 18th warmest of 39 (with 2022 and 2005).

May 2026

Mean temperature: 62.3°F; Warmest since 2025; 18th warmest of 39
Precipitation: 0.33 in; Wettest since 2023; 19th wettest of 52

A normal May in Ramona, CA (1991 to 2020): 0.18 in of precipitation, between 0.00 in and 1.16 in in eight years of ten.

The mean temperature of every May in Ramona, CA since 1974: 62.3°F in 2026; the highest is 68.3°F, in 1997.

Every year, ranked, as a table

Every May in Ramona, CA from 1974 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

Year	Mean, °F	Rank	High, °F	Rank	Low, °F	Rank	Precipitation, in	Rank	Days missing
2026	62.3	18	76.2	25	48.4	22	0.33	19	0
2025	63.8	8	78.5	10	49.1	15	0.22	24	0
2024	61.5	26	75	28	48	29	0.11	34	0
2023	60.9	29	71.5	37	50.2	6	0.47	11	0
2022	62.3	18	77.8	15	46.8	40	0.02	40	0
2021	62	23	76.9	18	47.1	37	0.02	40	0
2020	64.2	4	79.9	4	48.5	20	0.13	31	0
2019	60.3	32	70.8	40	49.7	10	1.36	4	0
2018	62.2	21	74.7	29	49.7	10	0.18	28	0
2017	62.8	15	76.2	25	49.4	13	1.14	5	0
2016	60.3	32	72.3	35	48.4	22	0.25	23	1
2015	60.5	30	71.1	38	49.8	8	1.48	3	0
2014	65.1	2	81.4	2	48.8	18	trace	45	0
2013	64.1	6	78.9	7	49.3	14	0.47	11	0
2012	62	23	78.3	12	45.8	46	0.20	26	0
2011	58.1	38	72.9	33	43.3	52	0.51	10	0
2010	58.5	37	72.8	34	44.2	51	0.02	40	0
2009	64.4	3	79.2	6	49.5	12	0.02	40	0
2008	61.2	28	74.3	30	48.2	26	0.75	8	0
2007	62.1	22	76.4	24	47.7	34	0.02	40	0
2006	62.9	14	76.7	20	49.1	15	0.39	16	0
2005	62.3	18	76.9	18	47.8	32	0.26	22	0
2004	64.2	4	79.8	5	48.5	20	0.00	49	0
2003	60.3	32	74.1	31	46.4	42	1.02	6	0
2002	60	35	74	32	45.9	44	0.06	38	0
2001	64.1	6	78	14	50.1	7	0.12	33	0
2000	63.2	11	78.3	12	48.1	28	0.13	31	0
1999	59.1	36	72.2	36	45.9	44	trace	45	0
1998					46.9	39	2.44	2	6
1997	68.3	1	85.2	1	51.5	4	trace	45	2
1996					48.4	22	0.42	15	6
1995					48.3	25	0.75	8	4
1994					48.2	26	0.17	29	5
1993					51.9	2	0.10	36	7
1992					55	1	0.08	37	6
1991					47.1	37	0.00	49	7
1990					49.1	15	0.47	11	7
1989	62.6	16	77.3	16	48	29			3
1988			78.6	9	48	29	0.38	17	4
1987	63.7	9	76	27	51.7	3	0.20	26	3
1986					47.4	36	0.00	49	6
1985					47.5	35	trace	45	5
1984					46.4	42	0.00	49	5
1983	61.4	27	78.4	11	44.5	49	0.27	21	3
1982					49.8	8	0.31	20	5
1981	63.3	10	76.5	21	50.5	5	0.43	14	2
1980					44.8	48	0.76	7	5
1979	62.6	16	76.5	21	48.7	19	0.22	24	0
1978	63	13	80.3	3	45.6	47	0.34	18	0
1977	57	39	71	39	43.1	53	2.48	1	0
1976	63.2	11	78.7	8	47.8	32	0.05	39	1
1975	60.5	30	76.5	21	44.5	49	0.17	29	0
1974	61.9	25	77.2	17	46.6	41	0.11	34	1

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1997	68.3
2014	65.1
2009	64.4
2020	64.2
2004	64.2
2013	64.1
2001	64.1
2025	63.8
1987	63.7
1981	63.3

Coldest
Year	Mean, °F
1977	57
2011	58.1
2010	58.5
1999	59.1
2002	60
2019	60.3
2016	60.3
2003	60.3
2015	60.5
1975	60.5

Wettest
Year	Precipitation, in
1977	2.48
1998	2.44
2015	1.48
2019	1.36
2017	1.14
2003	1.02
1980	0.76
2008	0.75
1995	0.75
2011	0.51

Driest
Year	Precipitation, in
2004	0.00
1991	0.00
1986	0.00
1984	0.00
2014	trace
1999	trace
1997	trace
1985	trace
2022	0.02
2021	0.02
More years share the last value

The hottest, coldest and wettest days

Hottest day: 92°F; 11 May 2026
Coldest night: 39°F; 19 May 2026, 6 May 2026
Wettest day: 0.20 in; 5 May 2026

Every month, season and year

Months

Seasons

Years

Ramona, CA the day's answers

All-time records

Every answer in words

May 2026 brought 0.33 in of precipitation in Ramona, CA, the wettest May since 2023, 19th wettest of 52.
The hottest day of May 2026 in Ramona, CA: 92°F on Monday 11 May 2026.
The coldest night of May 2026 in Ramona, CA: a low of 39°F on Tuesday 19 May 2026 and Wednesday 6 May 2026.
The wettest day of May 2026 in Ramona, CA: 0.20 in on Tuesday 5 May 2026.