When to go · United States

When to go to St. George

Twelve months of averages for St. George, and what they say about when to go.

When to go

What the averages say

Mean daily highs and lows and the month's rain, averaged over 2001 to 2020.

On these averages, St. George has a mean high between 18°C and 32°C and under 150 mm of rain in March to May and October.

Hot months (a mean high of 32°C or more): June to September.
The warmest month is July (38°C) and the coolest December (10°C). The wettest is February (30 mm) and the driest June (3 mm); about 250 mm of rain falls in a year.

How these sentences are worded

Each sentence is written from the figures by fixed rules, and says no more than they do. Mild to warm: a mean daily high from 18°C up to 32°C. Hot: 32°C or more. Cool: 10°C up to 18°C. Cold: under 10°C. Dry: under 50 mm of rain in the month; wet: 150 mm or more. Humid: a high of 25°C or more with relative humidity of 70% or more. A month is described as good for going when it is mild to warm and not wet.

St. George: highs, lows and rainHighLowRain

The year at a glance

Mild to warm and dry
Mild to warm, humid or showery
Hot
Cool
Wet
Cold

JanCool
FebCool
MarMild–warm, dry
AprMild–warm, dry
MayMild–warm, dry
JunHot
JulHot
AugHot
SeptHot
OctMild–warm, dry
NovCool
DecCool

Month by month

Every month in St. George

The whole year, with humidity, cloud and the sunlight reaching the ground.

Climate in St. George by month: mean daily high and low, rain, and what the month is like
Month	High	Low	Rain	Humidity	Cloud	Sunlight (kWh/m²/day)	High in Dubai	What it is like
January	11°C	-2°C	27 mm	51%	47%	2.8	23°C	Cool
February	13°C	0°C	30 mm	48%	49%	3.7	24°C	Cool
March	18°C	4°C	23 mm	41%	47%	5.2	27°C	Mild to warm and dry
April	23°C	7°C	17 mm	34%	41%	6.5	31°C	Mild to warm and dry
May	29°C	13°C	10 mm	27%	35%	7.6	35°C	Mild to warm and dry
June	36°C	19°C	3 mm	18%	22%	8.4	37°C	Hot
July	38°C	23°C	26 mm	28%	38%	7.5	39°C	Hot
August	36°C	22°C	26 mm	31%	30%	7	39°C	Hot
September	32°C	17°C	18 mm	28%	23%	6	37°C	Hot
October	24°C	9°C	23 mm	34%	30%	4.5	34°C	Mild to warm and dry
November	17°C	3°C	18 mm	41%	38%	3.2	29°C	Cool
December	10°C	-2°C	29 mm	51%	51%	2.4	25°C	Cool

The Dubai column is Dubai's mean daily high, for comparison.

Modelled averages for an area about 50 km across, not a weather station's record: NASA POWER climatology, 2001–2020. These data were obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program.

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Plan a trip to St. George

Tell us when and who is travelling, and a person puts the flights, the stays and the rest into one quote.

Plan a trip to St. George More about St. George When to go

Month

High

Low

Rain

Humidity

Cloud

Sunlight (kWh/m²/day)

High in Dubai

What it is like

January

11°C

-2°C

27 mm

51%

47%

2.8

23°C

Cool

February

13°C

0°C

30 mm

48%

49%

3.7

24°C

Cool

March

18°C

4°C

23 mm

41%

47%

5.2

27°C

Mild to warm and dry

April

23°C

7°C

17 mm

34%

41%

6.5

31°C

Mild to warm and dry

May

29°C

13°C

10 mm

27%

35%

7.6

35°C

Mild to warm and dry

June

36°C

19°C

3 mm

18%

22%

8.4

37°C

Hot

July

38°C

23°C

26 mm

28%

38%

7.5

39°C

Hot

August

36°C

22°C

26 mm

31%

30%

39°C

Hot

September

32°C

17°C

18 mm

28%

23%

37°C

Hot

October

24°C

9°C

23 mm

34%

30%

4.5

34°C

Mild to warm and dry

November

17°C

3°C

18 mm

41%

38%

3.2

29°C

Cool

December

10°C

-2°C

29 mm

51%

2.4

25°C

Cool