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Best time to visit Oak Glen, CA, USA

Our verdict

The best time to visit Oak Glen is April

Are you looking for the best time to visit Oak Glen? Well, you’re in the right place! Although Oak Glen is a great destination to visit almost all year round, April is the best time to go due to its perfect climate conditions. Around this time of year, flights and accommodation can also be cheaper as it is outside of key peak holiday seasons if you book well enough in advance.

In summer, the average maximum temperature is around 28℃ (82℉), but temperatures can sometimes reach as high as 30℃ (87℉) on the hottest days of the year. The weather at night in the winter can get down to temperatures as low as -14℃ (8℉).

If you want to get the most out of your time visiting Oak Glen, or you’re just afraid of the dark, the days in July are usually the longest between sunrise and sunset. To stay dry, avoid travelling to Oak Glen in May – It’s the wettest month of the year.

By the time you finish reading below, you’ll know everything you need to know about the best time to travel to Oak Glen. Once you’re ready, we’ve even provided all the tools you’ll ever need to help you book your travel!

Warmest month

July

Least rainfall

December

Most daylight

July

Oak Glen seasons

Before you continue, it’s important to know when the seasons are in Oak Glen as they might be different to yours depending on where in the world you’re travelling from. Oak Glen is in the Northern Hemisphere, so the seasons fall during these months:

SeasonMonths
Summer June to August
Autumn/fall September to November
Winter December to February
Spring March to May

Average temperatures in Oak Glen

If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Oak Glen for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.

Oak Glen climate by month

If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Oak Glen for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.

Jump to:

JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC

Oak Glen in January

  • Average temperature: -5℃ (23℉)
  • Average high temperature: -2℃ (29℉)
  • Average low temperature: -8℃ (17℉)
  • Average humidity: 82%
  • Average sunny days: 14 days
  • Average rainfall: 33mm (1") over 6 days
  • Average snow days: 12 days
14 days
of pure sunshine
6 days
of showers or rain

What to pack: If you’re heading to Oak Glen in January, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Oak Glen in February

  • Average temperature: -3℃ (26℉)
  • Average high temperature: 0℃ (32℉)
  • Average low temperature: -7℃ (20℉)
  • Average humidity: 82%
  • Average sunny days: 12 days
  • Average rainfall: 32mm (1") over 6 days
  • Average snow days: 11 days
12 days
of pure sunshine
6 days
of showers or rain

What to pack: If you’re heading to Oak Glen in February, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Oak Glen in March

  • Average temperature: 3℃ (38℉)
  • Average high temperature: 7℃ (45℉)
  • Average low temperature: -0℃ (31℉)
  • Average humidity: 75%
  • Average sunny days: 14 days
  • Average rainfall: 36mm (1") over 11 days
  • Average snow days: 6 days
14 days
of pure sunshine
11 days
of showers or rain

What to pack: If you’re heading to Oak Glen in March, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Oak Glen in April

  • Average temperature: 9℃ (48℉)
  • Average high temperature: 13℃ (56℉)
  • Average low temperature: 5℃ (41℉)
  • Average humidity: 74%
  • Average sunny days: 10 days
  • Average rainfall: 68mm (3") over 16 days
  • Average snow days: 2 days
10 days
of pure sunshine
16 days
of showers or rain

What to pack: If you’re heading to Oak Glen in April, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Oak Glen in May

  • Average temperature: 16℃ (60℉)
  • Average high temperature: 20℃ (69℉)
  • Average low temperature: 11℃ (52℉)
  • Average humidity: 75%
  • Average sunny days: 12 days
  • Average rainfall: 78mm (3") over 17 days
12 days
of pure sunshine
17 days
of showers or rain

What to pack: If you’re heading to Oak Glen in May, make sure you pack a coat or jumper for the evenings and some light clothes for the daytime.


Oak Glen in June

  • Average temperature: 21℃ (69℉)
  • Average high temperature: 25℃ (78℉)
  • Average low temperature: 16℃ (61℉)
  • Average humidity: 78%
  • Average sunny days: 11 days
  • Average rainfall: 67mm (3") over 16 days
11 days
of pure sunshine
16 days
of showers or rain

What to pack: If you’re heading to Oak Glen in June, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Oak Glen in July

  • Average temperature: 23℃ (74℉)
  • Average high temperature: 28℃ (82℉)
  • Average low temperature: 19℃ (65℉)
  • Average humidity: 77%
  • Average sunny days: 10 days
  • Average rainfall: 64mm (3") over 17 days
10 days
of pure sunshine
17 days
of showers or rain

What to pack: If you’re heading to Oak Glen in July, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Oak Glen in August

  • Average temperature: 22℃ (72℉)
  • Average high temperature: 27℃ (81℉)
  • Average low temperature: 18℃ (64℉)
  • Average humidity: 76%
  • Average sunny days: 11 days
  • Average rainfall: 67mm (3") over 16 days
11 days
of pure sunshine
16 days
of showers or rain

What to pack: If you’re heading to Oak Glen in August, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Oak Glen in September

  • Average temperature: 19℃ (65℉)
  • Average high temperature: 23℃ (74℉)
  • Average low temperature: 14℃ (58℉)
  • Average humidity: 74%
  • Average sunny days: 14 days
  • Average rainfall: 41mm (2") over 13 days
14 days
of pure sunshine
13 days
of showers or rain

What to pack: If you’re heading to Oak Glen in September, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.

Oak Glen in October

  • Average temperature: 12℃ (53℉)
  • Average high temperature: 16℃ (61℉)
  • Average low temperature: 8℃ (46℉)
  • Average humidity: 72%
  • Average sunny days: 15 days
  • Average rainfall: 51mm (2") over 12 days
15 days
of pure sunshine
12 days
of showers or rain

What to pack: If you’re heading to Oak Glen in October, make sure you pack a warm jacket or coat.


Oak Glen in November

  • Average temperature: 4℃ (40℉)
  • Average high temperature: 8℃ (46℉)
  • Average low temperature: 1℃ (34℉)
  • Average humidity: 74%
  • Average sunny days: 17 days
  • Average rainfall: 31mm (1") over 9 days
  • Average snow days: 4 days
17 days
of pure sunshine
9 days
of showers or rain

What to pack: If you’re heading to Oak Glen in November, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Oak Glen in December

  • Average temperature: -1℃ (30℉)
  • Average high temperature: 1℃ (35℉)
  • Average low temperature: -4℃ (25℉)
  • Average humidity: 81%
  • Average sunny days: 15 days
  • Average rainfall: 29mm (1") over 7 days
  • Average snow days: 10 days
15 days
of pure sunshine
7 days
of showers or rain

What to pack: If you’re heading to Oak Glen in December, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Top FAQs

The hottest month of the year in Oak Glen is usually July, where temperatures tend to rise to around 28℃ (82℉) in the middle of the day or early afternoon.
The month with the least amount of rain in Oak Glen is generally around December. The dry season often coincides with cooler weather, so you should check the temperatures in December first to make sure it’s still a good time to go.
The rainiest time of year in Oak Glen is generally around May, although the wetter season can sometimes extend a few months either side of May too.
If you want to get the most out of your time visiting Oak Glen, or if you're just afraid of the dark, the days in July are usually the longest between sunrise and sunset.

Oak Glen map