Chill hours in Ceres, Western Cape: the last 10 winters
Ten seasons of winter chill for Ceres, Western Cape (-33.3689, 19.3109), calculated from NASA POWER hourly temperatures across 2016 to 2025. Instead of comparing winters yourself or hunting for the nearest weather station, the three standard models for fruit trees and berries are already worked out below.
How the last season compared
The 2025 season delivered 1036 chill hours, 151 above the ten-season average of 885. That is a difference of 17%. It was the highest of the ten seasons recorded here. Chill portions, which discount warm spells differently, came to 87.2 against a ten-season average of 89.5.
Ten-season average, low, and high
| Model | Average | Lowest season | Highest season |
|---|---|---|---|
| 45°F Hours Hours between 0 and 7.2°C (32–45°F). | 884.9 hours | 649.0 | 1036.0 |
| Utah Weighted bands; warm hours subtract from the total. | 1384.5 units | 1117.5 | 1740.0 |
| Dynamic Fishman–Erez model; handles warm spells. | 89.5 portions | 74.3 | 113.0 |
45°F Hours and Utah are counted over 1 May – 31 August, the Southern Hemisphere equivalent of the UC Davis 1 November start. Dynamic is counted over 1 March – 30 September.
Season by season
| Season | 45°F Hours | Utah units | Chill portions |
|---|---|---|---|
| 2016 | 812 | 1178.0 | 88.0 |
| 2017 | 893 | 1233.5 | 78.2 |
| 2018 | 868 | 1386.0 | 93.8 |
| 2019 | 649 | 1117.5 | 74.3 |
| 2020 | 879 | 1277.0 | 85.9 |
| 2021 | 955 | 1461.5 | 90.9 |
| 2022 | 829 | 1364.0 | 90.7 |
| 2023 | 1005 | 1740.0 | 113.0 |
| 2024 | 923 | 1454.5 | 92.9 |
| 2025 | 1036 | 1633.0 | 87.2 |
Which fruit varieties suit Ceres?
The 3 most chill-demanding varieties that still fit an average of 885 chill hours here.
Station data for Western Cape
NASA POWER is a grid estimate. For measured station data and local chill guidance, see Hortgro: chilling units, temperature, and rainfall per deciduous fruit production region.
Nearby locations
- Grabouw, Western Cape — 91 km
Track this season in ChillCast
ChillCast tracks this season's chill for Ceres, Western Cape on your iPhone and compares it with the ten-season average above.
Generated
This page was generated on 2026-09-06.
About this data
Values are NASA POWER regional estimates (about 0.5° grid), not orchard measurements. Check your local extension service for station data.
Source: NASA POWER hourly 2-metre air temperature (MERRA-2). NASA does not endorse ChillCast.