Climatch

Pomona vs El Cajon Climate

96%match

On climate, El Cajon is a 96% match for Pomona. Very close: temperatures within 2°F (1°C), with similar rain, humidity and sun.

Pomona gets 14 in (364 mm) of rain a year and El Cajon 11 in (280 mm). August is the warmest month in both, with highs of 91°F (33°C) in Pomona and 89°F (32°C) in El Cajon.

JanFebMarAprMayJunJulAugSepOctNovDecJFMAMJJASOND
Pomona
JanFebMarAprMayJunJulAugSepOctNovDecJFMAMJJASOND
El Cajon

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

Month by month

Highs and lows (°F)

PomonaEl Cajonsolid = high, dashed = low

40°60°80°100°JFMAMJJASONDPomona Jan: 68°Pomona Feb: 68°Pomona Mar: 71°Pomona Apr: 75°Pomona May: 78°Pomona Jun: 83°Pomona Jul: 89°Pomona Aug: 91°Pomona Sep: 89°Pomona Oct: 82°Pomona Nov: 74°Pomona Dec: 67°Pomona Jan: 43°Pomona Feb: 44°Pomona Mar: 47°Pomona Apr: 49°Pomona May: 54°Pomona Jun: 58°Pomona Jul: 62°Pomona Aug: 63°Pomona Sep: 61°Pomona Oct: 55°Pomona Nov: 47°Pomona Dec: 42°El Cajon Jan: 69°El Cajon Feb: 70°El Cajon Mar: 72°El Cajon Apr: 76°El Cajon May: 77°El Cajon Jun: 81°El Cajon Jul: 86°El Cajon Aug: 89°El Cajon Sep: 88°El Cajon Oct: 83°El Cajon Nov: 76°El Cajon Dec: 69°El Cajon Jan: 45°El Cajon Feb: 46°El Cajon Mar: 48°El Cajon Apr: 51°El Cajon May: 55°El Cajon Jun: 58°El Cajon Jul: 62°El Cajon Aug: 63°El Cajon Sep: 62°El Cajon Oct: 57°El Cajon Nov: 49°El Cajon Dec: 44°

Rain (in per month)

PomonaEl Cajon

024JFMAMJJASONDPomona Jan: 3.0Pomona Feb: 3.2Pomona Mar: 2.2Pomona Apr: 1.2Pomona May: 0.2Pomona Jun: 0.0Pomona Jul: 0.0Pomona Aug: 0.0Pomona Sep: 0.2Pomona Oct: 0.5Pomona Nov: 1.3Pomona Dec: 2.5El Cajon Jan: 2.0El Cajon Feb: 2.4El Cajon Mar: 1.6El Cajon Apr: 1.0El Cajon May: 0.3El Cajon Jun: 0.1El Cajon Jul: 0.1El Cajon Aug: 0.1El Cajon Sep: 0.2El Cajon Oct: 0.4El Cajon Nov: 1.1El Cajon Dec: 1.9

Monthly averages

Average monthly highs, lows and rain in Pomona and El Cajon
MonthHighLowRain
PomonaEl CajonPomonaEl CajonPomonaEl Cajon
Jan68°F(20°C)69°F(21°C)43°F(6°C)45°F(7°C)3.0 in(76 mm)2.0 in(50 mm)
Feb68°F(20°C)70°F(21°C)44°F(7°C)46°F(8°C)3.2 in(82 mm)2.4 in(60 mm)
Mar71°F(22°C)72°F(22°C)47°F(8°C)48°F(9°C)2.2 in(55 mm)1.7 in(42 mm)
Apr75°F(24°C)76°F(24°C)49°F(10°C)51°F(10°C)1.2 in(31 mm)1.0 in(26 mm)
May78°F(26°C)77°F(25°C)54°F(12°C)55°F(13°C)0.2 in(5 mm)0.3 in(8 mm)
Jun83°F(28°C)81°F(27°C)58°F(14°C)58°F(15°C)0.0 in(1 mm)0.1 in(2 mm)
Jul89°F(32°C)86°F(30°C)62°F(17°C)62°F(16°C)0.0 in(1 mm)0.1 in(2 mm)
Aug91°F(33°C)89°F(32°C)63°F(17°C)63°F(17°C)0.0 in(1 mm)0.1 in(2 mm)
Sep89°F(32°C)88°F(31°C)61°F(16°C)62°F(17°C)0.2 in(4 mm)0.2 in(4 mm)
Oct82°F(28°C)83°F(28°C)55°F(13°C)56°F(14°C)0.5 in(13 mm)0.4 in(10 mm)
Nov74°F(23°C)76°F(25°C)47°F(8°C)49°F(9°C)1.3 in(32 mm)1.1 in(27 mm)
Dec67°F(20°C)69°F(21°C)42°F(6°C)44°F(7°C)2.5 in(63 mm)1.9 in(47 mm)

1991–2020 averages, by calendar month.

More comparisons

Places like Pomona →Places like El Cajon →