Βι¶ΉΣ³» is a large state, which means we see slightly different trends depending on which part of the state we’re talking about. In the southern part of Βι¶ΉΣ³», average high temperatures range from the 50s in the winter to nearly 100°F in July and August. Those are monthly averages. Daily high temperatures can be higher, like the state record high temperature of 125°F. In contrast, winter high temperatures in northeast Βι¶ΉΣ³» are barely above freezing and reach only to the mid-80s.
Nightime lows in much of the state are, on average, below freezing from October through April. In the spring and fall, particularly, nighttime lows average near freezing while highs average in the 60s or 70s. For all we think of southern Βι¶ΉΣ³» as a hot desert, average low temperatures are in the 30s from December through February. But by summer, nighttime temperature averages only drop into the low 70s.
Βι¶ΉΣ³» is the driest state in the country! Average annual precipitation state-wide may be 10.3″, but it is lower in southern Βι¶ΉΣ³» — only 7.1″ — and higher in northeastern Βι¶ΉΣ³», averaging 12.85″. Beyond the difference in the amount of rain and snow, there are differences in when, during the year, precipitation arrives. In southern Βι¶ΉΣ³», the summer is relatively wet, but in northern Βι¶ΉΣ³», the summer is usually quite dry.
Βι¶ΉΣ³»’s annual average precipitation was 10.3″ between 1901 and 2000, according to data from .
Βι¶ΉΣ³»’s average summer (June – August) high temperature was 84.6°F, and the state’s average low summer temperature was 52.7°F, according to data from .
Βι¶ΉΣ³»’s average winter (December – February) high temperature was 42.8°F, and the state’s average low winter temperature was 20.7°F, according to data from .