Compare the Climate and Weather in Siwa Oasis, Desert Hot Springs, and Tucson

This page lets you compare and contrast the weather and climate in Siwa Oasis, Desert Hot Springs, and Tucson year round.

You can drill down to a specific season, month, and even day by clicking the graphs or using the navigation panel.

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Desert Hot Springs
United States
Tucson
United States
Map

Average High and Low Temperature

Compare the Average High and Low Temperature in Siwa Oasis, Desert Hot Springs, and TucsonJanFebMarAprMayJunJulAugSepOctNovDec40°F40°F50°F50°F60°F60°F70°F70°F80°F80°F90°F90°F100°F100°F73441006476431036577421024097403898NowNowSiwa OasisSiwa OasisDesert Hot SpringsDesert Hot SpringsTucsonTucson
The daily average high and low air temperature at 2 meters above the ground. The thin dotted lines are the corresponding perceived temperatures.
HighJanFebMarAprMayJunJulAugSepOctNovDec
Siwa Oasis 65°F68°F75°F85°F92°F98°F100°F99°F95°F86°F75°F67°F
Desert Hot Springs 67°F70°F76°F82°F90°F98°F103°F102°F96°F86°F74°F66°F
Tucson 66°F70°F76°F83°F92°F100°F100°F97°F94°F85°F74°F66°F
LowJanFebMarAprMayJunJulAugSepOctNovDec
Siwa Oasis 44°F45°F50°F57°F64°F69°F72°F72°F69°F63°F54°F47°F
Desert Hot Springs 45°F47°F51°F56°F63°F70°F76°F76°F70°F61°F50°F44°F
Tucson 42°F45°F49°F55°F63°F72°F77°F75°F70°F60°F49°F43°F

Siwa Oasis

Average Hourly Temperature in Siwa OasisJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNowNowcoldcoldcoldcoolcoolcomfortablewarmhotswelteringwarmcoldvery cold

Desert Hot Springs

Average Hourly Temperature in Desert Hot SpringsJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNowNowcoldcoldcoldcoolcomfortablewarmhotswelteringcoldcomfortable

Tucson

Average Hourly Temperature in TucsonJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNowNowcoldcoldcoldcoolcoolwarmhotswelteringcoldcomfortablevery coldcomfortable
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Chance of Clearer Skies

Compare the Chance of Clearer Skies in Siwa Oasis, Desert Hot Springs, and TucsonJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%1007389588555NowNowSiwa OasisSiwa OasisDesert Hot SpringsDesert Hot SpringsTucsonTucson
The percentage of time the sky is clear, mostly clear, or partly cloudy (i.e., less than 60% of the sky is covered by clouds).
Clearer SkiesJanFebMarAprMayJunJulAugSepOctNovDec
Siwa Oasis 79%81%81%78%81%96%99%99%97%86%76%75%
Desert Hot Springs 63%60%67%74%79%86%84%85%88%81%71%64%
Tucson 65%63%70%76%79%83%62%63%80%80%72%66%

Daily Chance of Precipitation

Compare the Daily Chance of Precipitation in Siwa Oasis, Desert Hot Springs, and TucsonJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%4141423NowNowSiwa OasisSiwa OasisDesert Hot SpringsDesert Hot SpringsTucsonTucson
The percentage of days in which precipitation is observed, excluding trace quantities.
Days of Precip.JanFebMarAprMayJunJulAugSepOctNovDec
Siwa Oasis 0.9d0.5d0.3d0.1d0.0d0.0d0.0d0.0d0.0d0.1d0.3d0.8d
Desert Hot Springs 3.2d3.6d2.9d1.3d0.5d0.3d1.4d2.0d1.2d1.2d1.8d3.0d
Tucson 3.6d3.5d3.0d1.5d1.1d2.4d10.6d11.7d5.3d2.8d2.5d3.9d

Average Monthly Rainfall

Compare the Average Monthly Rainfall in Siwa Oasis, Desert Hot Springs, and TucsonJanFebMarAprMayJunJulAugSepOctNovDec0.0 in0.0 in0.5 in0.5 in1.0 in1.0 in1.5 in1.5 in2.0 in2.0 in2.5 in2.5 in0.21.32.20.1NowNowSiwa OasisSiwa OasisDesert Hot SpringsDesert Hot SpringsTucsonTucson
The average rainfall accumulated over the course of a sliding 31-day period centered on the day in question.
RainfallJanFebMarAprMayJunJulAugSepOctNovDec
Siwa Oasis 0.2″0.1″0.1″0.0″0.0″0.0″0.0″0.0″0.0″0.0″0.0″0.1″
Desert Hot Springs 1.1″1.3″0.7″0.2″0.1″0.0″0.2″0.3″0.2″0.3″0.4″0.9″
Tucson 1.0″1.0″0.7″0.3″0.1″0.4″1.9″2.0″1.2″0.7″0.7″1.1″

Hours of Daylight

Compare the Hours of Daylight in Siwa Oasis, Desert Hot Springs, and TucsonJanFebMarAprMayJunJulAugSepOctNovDec4 hr4 hr6 hr6 hr8 hr8 hr10 hr10 hr12 hr12 hr14 hr14 hr16 hr16 hr18 hr18 hr20 hr20 hr14.010.3NowNowDesert Hot SpringsDesert Hot SpringsTucsonTucson
The number of hours during which the Sun is at least partly above the horizon.
DaylightJanFebMarAprMayJunJulAugSepOctNovDec
Siwa Oasis 10.5h11.2h12.0h12.9h13.6h14.0h13.8h13.2h12.3h11.4h10.7h10.3h
Desert Hot Springs 10.2h11.0h12.0h13.1h14.0h14.4h14.1h13.4h12.3h11.3h10.4h9.9h
Tucson 10.3h11.1h12.0h13.0h13.8h14.2h14.0h13.3h12.3h11.3h10.5h10.1h

Chance of Muggy Conditions

Compare the Chance of Muggy Conditions in Siwa Oasis, Desert Hot Springs, and TucsonJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%4721NowNowSiwa OasisSiwa OasisTucsonTucson
The percentage of time that is muggy, oppressive, or miserable (i.e., a dew point greater than 65°F).
Muggy daysJanFebMarAprMayJunJulAugSepOctNovDec
Siwa Oasis 0.0d0.0d0.0d0.0d0.0d0.0d0.3d1.0d0.9d0.2d0.0d0.0d
Desert Hot Springs 0.0d0.0d0.0d0.0d0.0d0.1d1.2d1.9d0.9d0.0d0.0d0.0d
Tucson 0.0d0.0d0.0d0.0d0.0d0.6d4.5d5.9d2.2d0.1d0.0d0.0d

Average Wind Speed

Compare the Average Wind Speed in Siwa Oasis, Desert Hot Springs, and TucsonJanFebMarAprMayJunJulAugSepOctNovDec0 mph0 mph1 mph1 mph2 mph2 mph3 mph3 mph4 mph4 mph5 mph5 mph6 mph6 mph7 mph7 mph8 mph8 mph9 mph9 mph10 mph10 mph9.57.38.25.98.75.3NowNowSiwa OasisSiwa OasisDesert Hot SpringsDesert Hot SpringsTucsonTucson
The average of mean hourly wind speeds at 10 meters above the ground.
Wind Speed (mph)JanFebMarAprMayJunJulAugSepOctNovDec
Siwa Oasis 8.69.29.39.59.19.08.98.57.97.47.58.1
Desert Hot Springs 6.67.07.48.18.07.66.76.06.06.26.46.6
Tucson 8.38.18.38.68.47.86.15.56.67.58.28.3

Average Water Temperature

Compare the Average Water Temperature in Siwa Oasis, Desert Hot Springs, and TucsonJanFebMarAprMayJunJulAugSepOctNovDec58°F58°F60°F60°F62°F62°F64°F64°F66°F66°F68°F68°F70°F70°F72°F72°FNaN7059NaNNowNowDesert Hot SpringsDesert Hot Springs
The daily average wide-area surface water temperature.
Water Temp.JanFebMarAprMayJunJulAugSepOctNovDec
Desert Hot Springs 59°F59°F60°F61°F63°F66°F69°F70°F69°F67°F64°F61°F

Tourism Score

Compare the Tourism Score in Siwa Oasis, Desert Hot Springs, and TucsonJanFebMarAprMayJunJulAugSepOctNovDec002244668810108.44.97.72.4NowNowSiwa OasisSiwa OasisDesert Hot SpringsDesert Hot SpringsTucsonTucson
The tourism score, which favors clear, rainless days with perceived temperatures between 65°F and 80°F.

Beach/Pool Score

Compare the Beach/Pool Score in Siwa Oasis, Desert Hot Springs, and TucsonJanFebMarAprMayJunJulAugSepOctNovDec002244668810109.00.37.70.47.5NowNowSiwa OasisSiwa OasisDesert Hot SpringsDesert Hot SpringsTucsonTucson
The beach/pool score, which favors clear, rainless days with perceived temperatures between 75°F and 90°F.

Growing Season

Compare the Growing Season in Siwa Oasis, Desert Hot Springs, and TucsonJanFebMarAprMayJunJulAugSepOctNovDec0%0%20%20%40%40%60%60%80%80%100%100%NowNowSiwa OasisSiwa OasisDesert Hot SpringsDesert Hot SpringsTucsonTucson
The percentage chance that a given day is within the growing season, defined as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

Growing Degree Days

Compare the Growing Degree Days in Siwa Oasis, Desert Hot Springs, and TucsonJanFebMarAprMayJunJulAugSepOctNovDec1,000°F1,000°F2,000°F2,000°F3,000°F3,000°F4,000°F4,000°F5,000°F5,000°F6,000°F6,000°F7,000°F7,000°F8,000°F8,000°FNowNowSiwa OasisSiwa OasisDesert Hot SpringsDesert Hot SpringsTucsonTucson
The average growing degree days accumulated over the course of the year, where growing degree days are defined as the integral of warmth above a base temperature (50°F in this case).

Average Daily Incident Shortwave Solar Energy

Compare the Average Daily Incident Shortwave Solar Energy in Siwa Oasis, Desert Hot Springs, and TucsonJanFebMarAprMayJunJulAugSepOctNovDec0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWh8.53.68.73.1NowNowSiwa OasisSiwa OasisDesert Hot SpringsDesert Hot SpringsTucsonTucson
The average daily shortwave solar energy reaching the ground per square meter.
Solar Energy (kWh)JanFebMarAprMayJunJulAugSepOctNovDec
Siwa Oasis 4.05.06.37.27.88.48.47.86.85.54.33.7
Desert Hot Springs 3.54.45.97.48.28.78.07.36.55.13.93.2
Tucson 3.74.76.17.58.38.36.96.36.15.24.03.4

This report illustrates the typical weather for Siwa Oasis, Desert Hot Springs, and Tucson year round, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

The details of the data sources used on this page vary between places and are discussed in detail on each place's dedicated page:

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.

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