Jacksonville is 4.2°C (7.6°F) warmer by day, Jacksonville has 5.4°C (9.7°F) warmer nights, Jacksonville gets 372 mm (14.6 in) more rain a year.
Jacksonville is at its warmest in July and coolest in January, while Oklahoma City peaks in July and bottoms out in January. Month for month, Jacksonville is the warmer of the two in 10 of 12 months.
Jacksonville is the wetter of the two, collecting 1,293 mm (50.9 in) of rain a year against 921 mm (36.3 in) in Oklahoma City. The most comfortable time to visit is April, May and October in Jacksonville and May, September and October in Oklahoma City.
| Jacksonville | Metric | Oklahoma City |
|---|---|---|
| 🌡️ Temperature | ||
| 79.3°F | 🌡️Average daytime high | 71.8°F |
| 59.5°F | 🌙Average nighttime low | 49.8°F |
| July | 🔥Hottest month | July |
| January | ❄️Coldest month | January |
| 🌧️ Rain | ||
| 50.9 in | 🌧️Annual rainfall | 36.3 in |
| August | ☔Wettest month | May |
| November | 🏜️Driest month | January |
| 💨 Climate | ||
| 78% | 💧Average humidity | 67% |
| 0.6 m/s | 💨Average wind speed | 3.3 m/s |
Overnight, Jacksonville typically falls to around 15.3°C (59.5°F) while Oklahoma City settles near 9.9°C (49.8°F).
Jacksonville is hottest in July and coldest in January, whereas Oklahoma City peaks in July and is coolest in January.
Jacksonville sees the most rain in August and the least in November; Oklahoma City is wettest in May and driest in January.
Jacksonville feels the more humid of the two, averaging 78% relative humidity against 67%.
For Oklahoma City, the pick of the year is May, September and October.
Month by month, here is the coldest night, the average day and the hottest afternoon each city can expect. Switch Compare to read rainfall, humidity, wind or solar instead, and Period to move between the long-term 45-year average and any single year — the shading is a quick warm-to-cool guide.
| Month | Jacksonville | Oklahoma City | ||||
|---|---|---|---|---|---|---|
| Min | Avg | Max | Min | Avg | Max | |
| January | 42.6 | 53.1❄️ | 63.5 | 27.1 | 37.4❄️ | 47.7 |
| February | 46.4 | 57 | 67.8 | 30.6 | 41.7 | 52.9 |
| March | 51.3 | 62.2 | 73.4 | 39.4 | 51.3 | 63.3 |
| April | 57.4 | 68.7 | 80.2 | 47.8 | 60.1 | 72.1 |
| May | 65.3 | 76.6 | 87.8 | 58.5 | 69.3 | 80.1 |
| June | 72 | 81.3 | 90.9 | 68 | 77.9 | 87.6 |
| July | 73.9 | 82.6🔥 | 91.4 | 72.7 | 83.3🔥 | 93.7 |
| August | 73.9 | 82.2 | 90.3 | 72 | 82.8 | 93.4 |
| September | 70.7 | 78.8 | 86.7 | 63.5 | 74.7 | 85.8 |
| October | 61.9 | 71.1 | 80.2 | 50.9 | 62.4 | 73.9 |
| November | 52.7 | 62.8 | 72.7 | 38.7 | 49.6 | 60.6 |
| December | 46.4 | 56.5 | 66.7 | 29.7 | 39.6 | 49.6 |
| Annual Avg | 59.5 | 69.4 | 79.3 | 49.8 | 60.8 | 71.8 |
Min / mean / max temperature (°F). 🔥 marks each city's hottest month, ❄️ its coldest; shading runs cool blue to warm red.
The same figures plotted out, so the shape of a typical year is easier to see than in a grid. Where the two lines run close together Jacksonville and Oklahoma City feel alike; where they separate, they are genuinely different places to be.
Hover or tap any point to read the exact figures. Jacksonville Oklahoma City
Choose which city to keep, then search for any other city in our database — we'll build the comparison for you.
Quick answers to the questions people ask most when comparing Jacksonville and Oklahoma City — each drawn straight from the climate figures above.
Jacksonville is the warmer of the two. It averages daytime highs of 26.3°C (79.3°F) against 22.1°C (71.8°F) in Oklahoma City — roughly 4.2°C (7.6°F) warmer by day. Nights are milder in Jacksonville, with average lows of 15.3°C (59.5°F) versus 9.9°C (49.8°F).
Jacksonville is hottest in July, averaging highs of about 33°C (91.3°F), while Oklahoma City peaks in July at around 34.3°C (93.8°F). That makes Oklahoma City the hotter of the two at the height of summer.
Oklahoma City gets colder. In its coldest month (January) overnight lows average about -2.7°C (27.2°F), compared with 5.9°C (42.6°F) at the low point of the year in Jacksonville.
Jacksonville is the wetter city, collecting about 1,293 mm (50.9 in) of rain a year versus 921 mm (36.3 in) in Oklahoma City. Jacksonville is wettest in August and driest in November; Oklahoma City is wettest in May and driest in January.
Jacksonville is the more humid of the two, averaging 78% relative humidity over the year against 67% in Oklahoma City.
The most comfortable months in Jacksonville are April, May and October, when average temperatures are at their mildest.
Oklahoma City is at its most pleasant around May, September and October, based on the mildest average temperatures of the year.
Jacksonville is the warmer city in 10 of the 12 months of the year. The gap is widest in December, about 9.4°C (16.9°F), and narrowest in August, about 0.3°C (0.5°F).
Oklahoma City has the bigger seasonal swing, about 25.5°C (45.9°F) between its coldest and hottest months versus 16.4°C (29.5°F) in Jacksonville — so Jacksonville has the steadier, more even climate.
It depends what matters most to you: choose Jacksonville for warmer weather, pick Oklahoma City if you prefer drier conditions and go for Oklahoma City if you want lower humidity. There is no single "better" climate — it comes down to whether you value warmth, dryness or comfort most.
Every figure on this page is calculated from NASA POWER satellite climate data spanning 1981–2025 (45 years). The averages describe the long-term climate of Jacksonville and Oklahoma City, not a single year's weather or a short-range forecast.
