Best year time to visit Heppner

General weather information about Heppner

Average annual temperature is 11.3 °C

Absolute maximum temperature: 38.2 °C

Absolute minimum temperature: -12.6 °C

Number of sunny days: 202 days

Number of rainy days: 143 days

Number of snow days: 20 days

Look at detailed online map of Heppner

* Weather data for Heppner United States is based on climate observations for 2026 year

Heppner air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	14.3	11.6	13.5	27.6	32.8	33.3	35.2	38.2	30.7	24.3	18.1	16.1
Average daytime temperature (°C)	6.8	6.6	7.9	13.7	23.3	26.4	31.3	29.5	22.4	15.5	7.6	6.9
Average temperature (°C)	2.8	2.0	3.3	8.0	16.5	19.7	24.3	23.2	16.7	10.8	4.5	3.6
Average night temperature (°C)	0.1	-1.3	-0.1	3.8	10.8	13.8	17.5	17.7	12.2	7.1	1.6	1.2
Absolute minimum temperature (°C)	-12.5	-12.6	-5.2	-2.2	5.4	5.8	12.7	11.3	5.1	-3.6	-5.1	-4.7

Heppner monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	9.0	11.0	12.0	14.0	15.0	15.0	15.0	14.0	13.0	11.0	10.0	8.0
Daylight mean duration (h)	9.2	10.4	11.9	13.5	14.9	15.6	15.3	14.1	12.5	11.0	9.5	8.8
Daylight minimum duration (h)	8.0	9.0	11.0	12.0	14.0	15.0	14.0	13.0	11.0	10.0	9.0	8.0
Sunshine mean duration (h)	4.7	6.4	8.2	9.4	12.3	13.2	13.9	11.4	9.6	8.0	5.7	3.7
Precipitation (mm)	29	29	58	63	20	7	2	14	29	37	30	55
Sunny days	11	13	6	10	19	24	30	24	18	18	17	12
Rainy days	15	11	18	18	12	6	1	7	12	12	12	19
Snow days	5	4	7	2	0	0	0	0	0	1	1	0

Heppner - weather forecast by months

Heppner weather in january Heppner weather in february Heppner weather in march Heppner weather in april Heppner weather in may Heppner weather in june Heppner weather in july Heppner weather in august Heppner weather in september Heppner weather in october Heppner weather in november Heppner weather in december

Best time to visit Heppner:

The best time to visit Heppner during the most sunny months:

May — 12.3(h)
June — 13.2(h)
July — 13.9(h)
August — 11.4(h)

Months with the longest average daylight duration in Heppner:

June — 15.6(h)
July — 15.3(h)

The largest precipitation sum in Heppner is at

March — 58(mm)

April — 63(mm)

December — 55(mm)

Weather forecast in the closest to Heppner admin centers