Weather Averages for Ayer, MA

Weather Averages for
Ayer, MA

Latitude: 42°34'N, Longitude: 71°36'W, Elevation: 82.0 m, Distance: 1.21 km

	Unit	Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average temperature over 20 years	°C	10	-3	-2	3	8	15	20	22	21	16	11	6	-1
Average high temperature over 20 years	°C	15	0	2	7	13	21	25	28	26	22	16	10	2
Average low temperature over 20 years	°C	5	-8	-7	-1	3	10	14	17	15	10	5	1	-5
Highest recorded temperature over 20 years	°C	38	16	21	30	35	35	37	37	38	34	30	24	20
Lowest recorded temperature over 20 years	°C	-27	-27	-27	-16	-10	-1	4	5	3	-2	-6	-11	-23
Average number of rainy days over 20 years	days	125	10	9	10	12	12	11	11	10	10	10	10	10
Average precipitation over 20 years	cm	116.3	9.7	7.9	9.7	10.7	8.4	9.9	9.1	9.9	9.9	11.4	11.2	9.9
Average dew point over 10 years	°C	2	-11	-8	-5	0	7	11	15	15	10	3	-1	-7
Average number of days with thunderstorms over 20 years	days	17	-	1	1	1	2	3	4	3	1	1	-	-
Average number of days with fog over 20 years	days	147	10	9	10	11	13	13	14	17	15	14	11	10
Average morning relative humidity over 10 years	%	73.6	63.9	67.6	66	73.2	74	74.3	77.3	81.8	83	77.2	71.5	68.4
Average evening relative humidity over 10 years	%	51.5	50.1	49.1	46.6	51.4	50.3	52.6	52.9	54.7	54.6	50.9	53.7	52
Average wind speed over 12 years	km/h	17.7	6.4	8.0	8.0	6.4	4.8	4.8	4.8	4.8	4.8	6.4	6.4	6.4
Average number of days below -17.5°C over 20 years	days	5	2	2	-	-	-	-	-	-	-	-	-	1
Average snowfall over 20 years	cm	145.5	45.2	33.0	22.4	5.6	0.3	-	-	-	-	1.3	9.1	34.3
Most rain reported in a day over 20 years	cm	9.1	7.9	4.3	5.1	9.1	7.6	8.6	5.3	6.3	8.4	8.6	5.8	6.9
Most rain reported in a month over 20 years	cm	163.6	28.7	18.3	28.2	28.2	24.9	30.0	16.3	17.5	25.1	23.4	24.9	17.0
Least rain reported in a month over 20 years	cm	90.2	2.0	0.3	1.3	4.8	2.5	2.0	2.8	2.5	2.0	5.6	2.8	2.3
Heating degree days over 30 years	days	6606	1256	1190	859	515	276	24	14	25	177	434	734	1102
Cooling degree days over 30 years	days	512	-	-	-	2	40	130	133	169	37	-	1	-
Average number of days above 22°C over 12 years	days	20	-	-	1	6	14	22	17	5	1	-	-	66
Most snow reported in a month over 20 years	cm	241.3	127.0	86.4	84.3	35.6	3.8	-	-	-	-	12.2	30.5	69.3
Average possibility of clouds over 10 years	%	60.3	55.9	60.6	59.2	67.7	69.9	62.2	60.3	57.2	55.4	53.1	61.8	61.1
Average number of snowy days over 20 years	days	24	7	5	4	1	-	-	-	-	-	1	1	5
Average number of days below -1°C over 20 years	days	122	28	24	20	5	1	-	-	-	1	5	12	26
Most snow reported in a day over 20 years	cm	269.5	58.4	30.5	22.9	3.8	-	-	-	-	10.9	30.5	54.1	58.4
Deepest snow cover reported over 20 years	cm	73.7	71.1	73.7	43.2	30.5	5.1	-	-	-	-	7.6	22.9	55.9
Average wet bulb point over 10 years	°C	7	-5	-2	0	5	11	15	18	17	13	7	3	-2

Check weather averages for nearby locations (some locations might offer more data):

Latitude: 42°25'N, Longitude: 71°28'W, Elevation: 63.1 m, Distance: 6.92 km

Latitude: 42°39'N, Longitude: 71°22'W, Elevation: 33.5 m, Distance: 7.25 km

Latitude: 42°24'N, Longitude: 71°41'W, Elevation: 121.3 m, Distance: 7.93 km

Latitude: 42°29'N, Longitude: 71°17'W, Elevation: 48.8 m, Distance: 9.44 km

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Weather Averages Ayer, MA