When to go · United States

When to go to Boulder City

Twelve months of averages for Boulder City, 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, Boulder City has a mean high between 18°C and 32°C and under 150 mm of rain in March, April, October and November.

Hot months (a mean high of 32°C or more): May to September.
The warmest month is July (41°C) and the coolest December (13°C). The wettest is February (23 mm) and the driest June (1 mm); about 147 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.

Boulder City: 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
MayHot
JunHot
JulHot
AugHot
SeptHot
OctMild–warm, dry
NovMild–warm, dry
DecCool

Month by month

Every month in Boulder City

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

Climate in Boulder City 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	14°C	1°C	18 mm	46%	40%	3.2	23°C	Cool
February	16°C	3°C	23 mm	43%	41%	4.2	24°C	Cool
March	22°C	7°C	12 mm	37%	38%	5.7	27°C	Mild to warm and dry
April	26°C	11°C	8 mm	29%	31%	7.1	31°C	Mild to warm and dry
May	32°C	16°C	3 mm	22%	25%	8	35°C	Hot
June	39°C	22°C	1 mm	14%	17%	8.6	37°C	Hot
July	41°C	26°C	15 mm	22%	34%	7.6	39°C	Hot
August	40°C	25°C	15 mm	24%	28%	7.1	39°C	Hot
September	35°C	21°C	9 mm	23%	19%	6.2	37°C	Hot
October	27°C	13°C	13 mm	28%	24%	4.8	34°C	Mild to warm and dry
November	20°C	6°C	12 mm	35%	32%	3.6	29°C	Mild to warm and dry
December	13°C	1°C	18 mm	46%	43%	2.8	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.

When to go nearby

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Plan a trip to Boulder City

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 Boulder City More about Boulder City When to go

Month

High

Low

Rain

Humidity

Cloud

Sunlight (kWh/m²/day)

High in Dubai

What it is like

January

14°C

1°C

18 mm

46%

40%

3.2

23°C

Cool

February

16°C

3°C

23 mm

43%

41%

4.2

24°C

Cool

March

22°C

7°C

12 mm

37%

38%

5.7

27°C

Mild to warm and dry

April

26°C

11°C

8 mm

29%

31%

7.1

31°C

Mild to warm and dry

May

32°C

16°C

3 mm

22%

25%

35°C

Hot

June

39°C

22°C

1 mm

14%

17%

8.6

37°C

Hot

July

41°C

26°C

15 mm

22%

34%

7.6

39°C

Hot

August

40°C

25°C

15 mm

24%

28%

7.1

39°C

Hot

September

35°C

21°C

9 mm

23%

19%

6.2

37°C

Hot

October

27°C

13°C

13 mm

28%

24%

4.8

34°C

Mild to warm and dry

November

20°C

6°C

12 mm

35%

32%

3.6

29°C

Mild to warm and dry

December

13°C

1°C

18 mm

46%

43%

2.8

25°C

Cool