Dillon December Weather Averages

Montana, United States of America

December Weather Averages for Dillon

High Temp	-3°C	26°F
Low Temp	-12°C	10°F
Avg Temp	-8°C	17°F
Sunshine Hours	186 hours
Rainfall	18.90 mm	0.74 In
Rain days	7 days
Pressure	1023 mb	31 In

Dillon December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	-8°C / 17°F	-18°C / 0°F	-13°C / 9°F	110 hours	5.80 mm / 0.23 In	7 days	1025 mb / 31 In
2010	-5°C / 23°F	-14°C / 8°F	-9°C / 15°F	39 hours	29.80 mm / 1.17 In	12 days	1021 mb / 31 In
2011	-4°C / 25°F	-14°C / 7°F	-9°C / 15°F	265 hours	16.00 mm / 0.63 In	4 days	1028 mb / 31 In
2012	-4°C / 25°F	-12°C / 11°F	-8°C / 17°F	197 hours	17.60 mm / 0.69 In	10 days	1018 mb / 31 In
2013	-6°C / 21°F	-15°C / 4°F	-11°C / 12°F	176 hours	27.70 mm / 1.09 In	7 days	1027 mb / 31 In
2014	-2°C / 28°F	-9°C / 15°F	-6°C / 21°F	189 hours	26.30 mm / 1.04 In	11 days	1022 mb / 31 In
2015	-6°C / 22°F	-14°C / 8°F	-10°C / 15°F	133 hours	32.00 mm / 1.26 In	12 days	1020 mb / 31 In
2016	-8°C / 17°F	-18°C / -0°F	-13°C / 8°F	154 hours	38.50 mm / 1.52 In	14 days	1025 mb / 31 In
2017	-3°C / 26°F	-12°C / 10°F	-8°C / 17°F	227 hours	22.20 mm / 0.87 In	10 days	1028 mb / 31 In
2018	-5°C / 22°F	-14°C / 7°F	-10°C / 14°F	263 hours	13.50 mm / 0.53 In	6 days	1026 mb / 31 In
2019	-5°C / 24°F	-13°C / 8°F	-9°C / 15°F	265 hours	9.40 mm / 0.37 In	4 days	1022 mb / 31 In
2020	-2°C / 29°F	-11°C / 12°F	-7°C / 19°F	256 hours	11.40 mm / 0.45 In	5 days	1026 mb / 31 In
2021	-1°C / 30°F	-10°C / 15°F	-6°C / 21°F	189 hours	11.80 mm / 0.46 In	8 days	1014 mb / 30 In
2022	-5°C / 24°F	-15°C / 5°F	-10°C / 13°F	154 hours	23.70 mm / 0.93 In	11 days	1023 mb / 31 In
2023	1°C / 34°F	-8°C / 18°F	-4°C / 24°F	248 hours	4.48 mm / 0.18 In	2 days	1023 mb / 31 In
2024	3°C / 37°F	-8°C / 17°F	-3°C / 26°F	139 hours	19.21 mm / 0.76 In	0 days	1024 mb / 31 In
2025	4°C / 39°F	-6°C / 21°F	-1°C / 29°F	163 hours	11.90 mm / 0.47 In	0 days	1019 mb / 31 In

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Region

Montana

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Dillon weather history: common questions

How far back does Dillon weather history go?

Hourly historical weather is available from 1 January 2009. Choose a date above, or pick a month at the top of the page for long-term averages.

Can I download Dillon historical weather as a file?

Yes. Buy historical weather data as daily or hourly CSV, yearly monthly averages or monthly climate averages. A free sample download is available.

Is there an API for historical weather?

Yes. The WeatherAPI.com History API returns hourly weather for any past date from 2010, as JSON or XML. Get a free API key.

Historical weather data

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For developers

History API

Hourly past weather for Dillon as JSON, from 2010.

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