Hartford CT Recent May Temperatures, Rainfall

The numbers here describe what the May weather in Hartford, Connecticut was like for every year since 2010. A series of tables gives May data by year for temperature and precipitation.

They begin with average maximum and minimum temperatures in degrees Fahrenheit and Celsius. That's followed by how many hot days occurred each May. Then there's information on how much rain actually landed this month during recent years, as well as how often Hartford had wet weather.

The climate data come from weather measurements made at Bradley International Airport near Hartford.

Temperature

May temperature averages by year in Hartford
High °F	Low °F	Year	High °C	Low °C
73	45	2023	23	7
75	53	2022	24	12
72	48	2021	22	9
71	46	2020	21	8
70	50	2019	21	10
76	52	2018	25	11
68	48	2017	20	9
72	49	2016	22	9
80	52	2015	27	11
72	49	2014	22	10
73	47	2013	23	9
74	54	2012	23	12
72	52	2011	22	11
77	50	2010	25	10

Number of days in May when the temperature in Hartford dropped to 32 or below, or rose to at least 70 or 90 degrees Fahrenheit
32 °F 0 °C	Year	70 °F 21 °C	90 °F 32 °C
1	2023	21	0
0	2022	24	3
0	2021	17	2
1	2020	18	0
0	2019	17	1
0	2018	23	4
0	2017	13	3
0	2016	19	4
0	2015	27	2
0	2014	18	1
1	2013	22	3
0	2012	22	1
0	2011	19	1
2	2010	25	2

Rain

This table gives the total precipitation that fell on Hartford during May in each year from 2010. The number of days with precipitation counts the days when rainfall amounted to 0.01 inches (0.3 millimeters) or more.

Total rainfall for May in Hartford
Days	Year	Inches	Millimetres
7	2023	3.0	76
10	2022	2.9	73
13	2021	5.8	148
11	2020	1.6	41
17	2019	4.6	117
10	2018	2.5	63
11	2017	4.6	117
11	2016	2.5	63
5	2015	1.3	34
17	2014	4.5	114
15	2013	6.4	162
15	2012	3.3	83
9	2011	4.0	101
9	2010	2.3	59

Hartford - Recent May Temperatures and Rainfall

Temperature

Rain

Reference

More on Weather in Hartford