Fountain Hills Weather in December

December in Fountain Hills brings moderate temperatures around 18°C (64°F) during the day, dropping to 6°C (43°F) at night, with the most rainfall of the year.

Rainfall in Fountain Hills in December

Given that this is the rainiest month, it's wise to carry an umbrella to stay dry during unexpected showers. Typically, you can expect about 5 days of rain this month, with 36 mm (1.4 in) on average. When rain does fall this month, it tends to come down hard. The low number of rain days makes each shower more significant.

Temperature in Fountain Hills in December

December in Fountain Hills brings moderate temperatures, with highs of 18°C (64°F) and nights around 6°C (43°F). The winter season is characteristic of December. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights fall to 6°C (43°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep. Enjoy a month of comfortably warm temperatures, despite being cooler than other months.

Sunshine in Fountain Hills in December

Expect sunny days throughout the month, with an estimated 241 hours of sunshine. This makes it a pleasant time to visit Fountain Hills.

If you prefer enjoying temperate temperatures and rain-free days, February, March, April and November typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.