Climatch

Portland, Oregon vs Chillán Viejo Climate

79%match

Portland vs Chillán Viejo: a 79% climate match. Compared with Portland, Chillán Viejo has much more sun, 5°F (3°C) hotter summer days and 4°F (2°C) milder winter nights.

Portland gets 42 in (1058 mm) of rain a year and Chillán Viejo 43 in (1084 mm). Portland's warmest month is August, at 81°F (27°C); Chillán Viejo's is January, at 85°F (30°C).

Chillán Viejo is in the Southern Hemisphere, so its seasons are flipped: Portland's July is most like Chillán Viejo's January.

JanFebMarAprMayJunJulAugSepOctNovDecJFMAMJJASOND
Portland
JanFebMarAprMayJunJulAugSepOctNovDecJFMAMJJASOND
Chillán Viejo

Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.

Month by month

Highs and lows (°F)

PortlandChillán Viejo (6 months later)solid = high, dashed = low

20°40°60°80°100°JFMAMJJASONDPortland Jan: 47°Portland Feb: 51°Portland Mar: 56°Portland Apr: 61°Portland May: 68°Portland Jun: 73°Portland Jul: 81°Portland Aug: 81°Portland Sep: 76°Portland Oct: 64°Portland Nov: 53°Portland Dec: 46°Portland Jan: 36°Portland Feb: 36°Portland Mar: 39°Portland Apr: 42°Portland May: 47°Portland Jun: 52°Portland Jul: 56°Portland Aug: 55°Portland Sep: 51°Portland Oct: 44°Portland Nov: 39°Portland Dec: 35°Chillán Viejo (6 months later) Jan: 54°Chillán Viejo (6 months later) Feb: 57°Chillán Viejo (6 months later) Mar: 62°Chillán Viejo (6 months later) Apr: 67°Chillán Viejo (6 months later) May: 73°Chillán Viejo (6 months later) Jun: 80°Chillán Viejo (6 months later) Jul: 85°Chillán Viejo (6 months later) Aug: 84°Chillán Viejo (6 months later) Sep: 77°Chillán Viejo (6 months later) Oct: 68°Chillán Viejo (6 months later) Nov: 60°Chillán Viejo (6 months later) Dec: 54°Chillán Viejo (6 months later) Jan: 39°Chillán Viejo (6 months later) Feb: 40°Chillán Viejo (6 months later) Mar: 41°Chillán Viejo (6 months later) Apr: 44°Chillán Viejo (6 months later) May: 48°Chillán Viejo (6 months later) Jun: 51°Chillán Viejo (6 months later) Jul: 53°Chillán Viejo (6 months later) Aug: 51°Chillán Viejo (6 months later) Sep: 49°Chillán Viejo (6 months later) Oct: 45°Chillán Viejo (6 months later) Nov: 42°Chillán Viejo (6 months later) Dec: 41°

Rain (in per month)

PortlandChillán Viejo (6 months later)

0510JFMAMJJASONDPortland Jan: 5.9Portland Feb: 4.3Portland Mar: 4.6Portland Apr: 3.3Portland May: 2.4Portland Jun: 1.6Portland Jul: 0.5Portland Aug: 0.8Portland Sep: 1.5Portland Oct: 3.8Portland Nov: 6.2Portland Dec: 6.8Chillán Viejo (6 months later) Jan: 7.2Chillán Viejo (6 months later) Feb: 6.8Chillán Viejo (6 months later) Mar: 3.3Chillán Viejo (6 months later) Apr: 2.2Chillán Viejo (6 months later) May: 1.4Chillán Viejo (6 months later) Jun: 1.3Chillán Viejo (6 months later) Jul: 0.7Chillán Viejo (6 months later) Aug: 0.9Chillán Viejo (6 months later) Sep: 1.1Chillán Viejo (6 months later) Oct: 2.4Chillán Viejo (6 months later) Nov: 6.4Chillán Viejo (6 months later) Dec: 9.1

Monthly averages

Average monthly highs, lows and rain in Portland and Chillán Viejo
MonthHighLowRain
PortlandChillán ViejoPortlandChillán ViejoPortlandChillán Viejo
Jan47°F(8°C)85°F(30°C)36°F(2°C)53°F(12°C)5.9 in(150 mm)0.7 in(17 mm)
Feb51°F(11°C)83°F(29°C)36°F(2°C)51°F(11°C)4.3 in(109 mm)0.9 in(23 mm)
Mar56°F(13°C)77°F(25°C)39°F(4°C)49°F(9°C)4.6 in(116 mm)1.1 in(28 mm)
Apr61°F(16°C)68°F(20°C)42°F(6°C)45°F(7°C)3.3 in(84 mm)2.4 in(60 mm)
May68°F(20°C)60°F(15°C)47°F(8°C)42°F(6°C)2.4 in(62 mm)6.4 in(162 mm)
Jun73°F(23°C)54°F(12°C)52°F(11°C)41°F(5°C)1.7 in(42 mm)9.1 in(230 mm)
Jul81°F(27°C)54°F(12°C)56°F(13°C)39°F(4°C)0.5 in(13 mm)7.2 in(184 mm)
Aug81°F(27°C)56°F(14°C)55°F(13°C)40°F(4°C)0.7 in(19 mm)6.8 in(172 mm)
Sep76°F(24°C)62°F(17°C)51°F(10°C)41°F(5°C)1.5 in(37 mm)3.3 in(84 mm)
Oct64°F(18°C)67°F(19°C)44°F(7°C)44°F(7°C)3.8 in(97 mm)2.2 in(57 mm)
Nov53°F(11°C)73°F(23°C)39°F(4°C)48°F(9°C)6.2 in(157 mm)1.4 in(35 mm)
Dec46°F(8°C)80°F(27°C)35°F(2°C)51°F(11°C)6.8 in(172 mm)1.3 in(32 mm)

1991–2020 averages, by calendar month.

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