diff --git a/test/asynchronous/test_client_backpressure.py b/test/asynchronous/test_client_backpressure.py
index b0cfb54b1e..94f22ac41c 100644
--- a/test/asynchronous/test_client_backpressure.py
+++ b/test/asynchronous/test_client_backpressure.py
@@ -354,8 +354,16 @@ async def test_05_overload_errors_with_basebackoffms_override_backoff(self, rand
         # A run can never be faster than the sum of its backoffs.
         # With jitter pinned to 1, the default backoffs are 0.2 + 0.4 = 0.6s
         # and the baseBackoffMS=50 backoffs are 0.1 + 0.2 = 0.3s.
-        self.assertGreaterEqual(exponential_backoff_time, 0.6)
-        self.assertGreaterEqual(with_base_backoff_ms_time, 0.3)
+
+        # Allow for slight timing slack on Windows + <= Python 3.12 due to asyncio timing resolution
+        if sys.platform == "win32" and not _IS_SYNC and sys.version_info <= (3, 12):
+            exponential_expected = 0.55
+            base_backoff_expected = 0.25
+        else:
+            exponential_expected = 0.6
+            base_backoff_expected = 0.3
+        self.assertGreaterEqual(exponential_backoff_time, exponential_expected)
+        self.assertGreaterEqual(with_base_backoff_ms_time, base_backoff_expected)
         self.assertLess(with_base_backoff_ms_time, 0.6)
 
 
diff --git a/test/test_client_backpressure.py b/test/test_client_backpressure.py
index fe510a93fb..11fbbd92e6 100644
--- a/test/test_client_backpressure.py
+++ b/test/test_client_backpressure.py
@@ -352,8 +352,16 @@ def test_05_overload_errors_with_basebackoffms_override_backoff(self, random_fun
         # A run can never be faster than the sum of its backoffs.
         # With jitter pinned to 1, the default backoffs are 0.2 + 0.4 = 0.6s
         # and the baseBackoffMS=50 backoffs are 0.1 + 0.2 = 0.3s.
-        self.assertGreaterEqual(exponential_backoff_time, 0.6)
-        self.assertGreaterEqual(with_base_backoff_ms_time, 0.3)
+
+        # Allow for slight timing slack on Windows + <= Python 3.12 due to asyncio timing resolution
+        if sys.platform == "win32" and not _IS_SYNC and sys.version_info <= (3, 12):
+            exponential_expected = 0.55
+            base_backoff_expected = 0.25
+        else:
+            exponential_expected = 0.6
+            base_backoff_expected = 0.3
+        self.assertGreaterEqual(exponential_backoff_time, exponential_expected)
+        self.assertGreaterEqual(with_base_backoff_ms_time, base_backoff_expected)
         self.assertLess(with_base_backoff_ms_time, 0.6)