diff --git a/code/game/turfs/unsimulated/planetary.dm b/code/game/turfs/unsimulated/planetary.dm
index 6e4f731f03d..c6be94c5ed0 100644
--- a/code/game/turfs/unsimulated/planetary.dm
+++ b/code/game/turfs/unsimulated/planetary.dm
@@ -52,7 +52,7 @@
 /turf/unsimulated/wall/planetary/sif
 	oxygen		= 114.50978 * 0.181
 	nitrogen	= 114.50978 * 0.819
-	temperature	= 273.15 // 0C
+	temperature	= 243.15 // Roughly -30C / -22F
 
 //High Alt Sif
 /turf/unsimulated/wall/planetary/sif/alt
diff --git a/maps/cynosure/turfs/outdoors.dm b/maps/cynosure/turfs/outdoors.dm
index 96c9509064f..f324b6f9d3d 100644
--- a/maps/cynosure/turfs/outdoors.dm
+++ b/maps/cynosure/turfs/outdoors.dm
@@ -7,7 +7,7 @@
 #define MOLES_O2SIF (MOLES_CELLSIF * O2SIF) // O2 value on Sif(18%)
 #define MOLES_N2SIF (MOLES_CELLSIF * N2SIF) // N2 value on Sif(82%)
 
-#define TEMPERATURE_SIF 273.15 // 0C
+#define TEMPERATURE_SIF 243.15 // Roughly -30C / -22F
 #define TEMPERATURE_ALTSIF 225.15
 
 /turf/simulated/floor/outdoors/mud/sif/planetuse
@@ -178,4 +178,4 @@
 	oxygen		= MOLES_O2SIF
 	nitrogen	= MOLES_N2SIF
 	temperature	= TEMPERATURE_SIF
-	outdoors = OUTDOORS_YES
+	outdoors = OUTDOORS_YES
\ No newline at end of file